Answer:
Adapun frasa INTEGRASI BANGSA atau INTEGRASI NASIONAL sendiri dimaknai dalam dua konteks yakni POLITIS dan ANTROPOLOGIS. Dalam konteks politis, Integrasi Nasional bermakna sebagai penyatuan berbagai macam kelompok sosial juga budaya ke dalam suatu kesatuan wilayah yang membentuk suatu identitas nasional.
Explanation:
a sample of gas at 32.6 torr and 735 k is heated to 1035 k. what is the new pressure of the gas
The new pressure of the gas is [tex]45.906 torr.[/tex]
To calculate the new pressure:
[tex]P2 = P1 * (T2 / T1)[/tex]
where:
P1 is the initial pressure[tex](32.6 torr)[/tex]
T1 is the initial temperature [tex](735 K)[/tex]
P2 is the final pressure (unknown)
T2 is the final temperature [tex](1035 K)[/tex]
Substituting the values into the formula, we get:
[tex]P2 = 32.6 torr * (1035 K / 735 K)[/tex]
[tex]P2 = 45.906 torr[/tex]
Therefore, the new pressure of the gas is [tex]45.906 torr.[/tex]
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Which of the following ionic compounds will be more soluble in acid solution than in water?
O CuI
O PbCl2
O Fe(OH)3
O CaCO3
In comparison to the other ionic compounds, CaCO₃ is more soluble in acid solution.
Calcium carbonate (CaCO₃) is sparingly soluble in water. It undergoes a limited degree of dissociation and forms a weakly soluble salt.
However, when CaCO₃ is exposed to an acid solution, such as hydrochloric acid (HCl), it reacts to form a soluble salt, calcium chloride (CaCl₂), carbon dioxide (CO₂), and water (H2O). The following illustrates the reaction:
[tex]CaCO_3 + 2HCl \rightarrow CaCl_2+ CO_2 + H_2O[/tex]
Increased solubility of the CaCO₃ is the result of this reaction, which makes it easier for it to dissolve in an acidic solution as opposed to water.
Contrarily, the solubility of CuI (copper(I) iodide), PbCl₂ (lead(II) chloride), and Fe(OH)₃ (iron(III) hydroxide) in water and acid is limited and they are not greatly influenced by acid solutions.
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True or False - Every gas has a unique set of spectral lines that help identify the gas.
Every gas has a unique set of spectral lines that help identify the gas is a true statement.
Why do elements have different spectral lines?A spectral line is a dark or bright line that appears in an otherwise uniform and continuous spectrum as a result of light being emitted or absorbed at a narrow frequency range as opposed to frequencies close by.
Note that a lot of element has a distinct line spectrum, which is known as the "fingerprint" of that element. Because each element has a different amount of electrons and hence a diverse range of energy levels, each one's spectra are distinctive.
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Heyy Friends Can Yall Plz Help
how much current would be measured in a circuit if the light bulb has a resistance of 6 ohms and a voltage of 36 volts
Answer:
The right response is "6 A". A further explanation is given below.
Explanation:
The given values are:
Resistance,
R = 6 ohms
Voltage,
V = 36 volts
As we know,
⇒ [tex]V=IR[/tex]
then,
⇒ [tex]I=\frac{V}{R}[/tex]
On substituting the values, we get
⇒ [tex]=\frac{36}{6}[/tex]
⇒ [tex]=6 \ A[/tex]
what is the difinition of the word democracy?
Answer:
Democracy/dɪˈmɒkrəsi/
--noun--
A system of government by the whole population or all the eligible members of a state, typically through elected representatives.
What are three main ocean currents?
What variable represents thermal energy in the equation Q = mcΔT?
A.
The variable c
B.
The variable Q
C.
The variable T
D.
The variable m
Answer:
The variable Q
Explanation:
i just took the test and got it right.... i hope this helps :)
The variable Q represents thermal energy in the equation Q = mcΔT. Hence, option B is correct.
What is specific heat capacity?The specific heat capacity is defined as the quantity of heat (J) absorbed per unit mass (kg) of the material when its temperature increases by 1 K (or 1 °C), and its units are J/(kg K) or J/(kg °C).
Q = mcΔT
Q = heat energy
m = mass
c = specific heat capacity
ΔT = change in temperature
Hence, option B is correct.
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why an indicator is a necessary part of the titration experiment?
Answer:
In a titration, you determine an unknown concentration of a sample by adding a second reactant of known concentration. In many titrations, you use a chemical called an indicator, which lets you know when the titration finishes.
Explanation:
preparing a given volume of a solution that has a specific molarity is a very important skill for a chemist. one step in that process is calculating the mass of solute required.
What mass of solute is required to produce 429.5 mL of a 0.256 M solution of KBr? _______ g KBr
13.1 g of KBr is required to produce 429.5 mL of a 0.256 M solution of KBr.
To calculate the mass of solute required to produce 429.5 mL of a 0.256 M solution of KBr, we can use the formula below;
Mass of solute = Molarity × Volume (liters) × Molecular weight of solute
We can also convert the volume of the solution from milliliters to liters by dividing by 1000.
Thus,429.5 mL = 429.5/1000 = 0.4295 Liters
Therefore,
Mass of KBr required = Molarity × Volume × Molecular weight of KBr= 0.256 mol/L × 0.4295 L × 119 g/mol= 13.1 g KBr
Thus, 13.1 g of KBr is required to produce 429.5 mL of a 0.256 M solution of KBr.
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What is the standard free-energy change ΔG° at 25°C for the following reaction? H2(g) + Br2(l) → 2HBr(g) Calculate the value of the thermodynamic equilibrium constant K. ΔG°f (HBr(g)) = -53.50 kJ/mol ΔG° = ___ kJ K = ___
The standard free-energy change ΔG° at 25°C for the reaction H2(g) + Br2(l) → 2HBr(g) is -95.6 kJ/mol. The thermodynamic equilibrium constant K is 1.1 × 10^8.
To calculate ΔG°, we need to know the value of R and the temperature in Kelvin. The gas constant R is approximately 8.314 J/(mol·K), and to convert 25°C to Kelvin, we add 273.15 to the temperature, giving us 298.15 K. Plugging these values into the equation, we can solve for ΔG°.
Once we have the value of ΔG°, we can rearrange the equation ΔG° = -RT ln(K) to solve for K. Rearranging the equation gives us K = e^(-ΔG°/(RT)), where e is the base of the natural logarithm.
Therefore, in order to provide the specific value of ΔG° and calculate K, we need the standard free-energy change ΔG° at 25°C for the reaction H2(g) + Br2(l) → 2HBr(g).
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0.29 pts each molecule of nitric acid has the formula hno3 . if there are 6000 oxygen atoms present and 6000 nitrogen atoms present, how many hydrogen atoms will be required to convert all of the oxygen atoms into nitric acid? select one:
The number of hydrogen atoms required to convert all of the oxygen atoms into nitric acid is 6000.
One molecule of nitric acid has a formula of HNO3, containing one nitrogen atom, one hydrogen atom, and three oxygen atoms. Therefore, if there are 6000 nitrogen atoms and 6000 oxygen atoms present, this means that there are 6000/3 = 2000 nitric acid molecules. Each nitric acid molecule has one hydrogen atom. Therefore, to convert all 6000 oxygen atoms into nitric acid, we need 3 times as many hydrogen atoms, which is 3 x 2000 = 6000 hydrogen atoms. This is because each molecule of nitric acid requires three oxygen atoms and one hydrogen atom.So, the number of hydrogen atoms required to convert all of the oxygen atoms into nitric acid is 6000.
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3. A volume of gas at 1.65 atm was measured at 27°C and 343 mL. What will be the volume if the gas
is cooled to -12°C and the pressure is adjusted to 2.10 atm?
Answer:
Homework hint: P1V1 = nRT1 and V1, n, and R are constant. Remember to use Kelvin.
Which of the following is true about the coefficients in a balanced chemical equation?
Answer:
Where is the chemical equations?
A balanced equation obeys the law of conservation of mass. The coefficient represent the number of molecules in a chemical equation.
What is a balanced chemical equation?An equation in which the number of reactants and products on the both sides of the reaction are equal can be defined as the balanced chemical equation. The coefficient are the numbers in front of the formula.
The coefficients are the numbers that must be added in front of the species involved in the reaction in order to balance it. It tells how many number of atoms or molecules are present in a reaction.
In the reaction N₂ + 3H₂ → 2NH₃ which is called Haber's process.
The coefficients are:
1 for Nitrogen molecule, 3 for Hydrogen molecule and 2 for the compound Ammonia.
Thus coefficients are numbers in front of each formula.
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Which of the following is a nonelectrolyte in aqueous solution?
a) NH4F
b) NH4Cl
c)NaHS
d)CH4
e)Na2S
The one which is a non-electrolyte in aqueous solution among the options is the compound (d) CH4 is the non-electrolyte in aqueous solution.
A non-electrolyte is a substance that does not dissociate into ions when dissolved in water, meaning it does not conduct electricity. In the case of the options provided:
a) NH4F: This compound dissociates into ammonium ions (NH4+) and fluoride ions (F-) in water, making it an electrolyte.
b) NH4Cl: This compound dissociates into ammonium ions (NH4+) and chloride ions (Cl-) in water, making it an electrolyte.
c) NaHS: This compound dissociates into sodium ions (Na+) and hydrogen sulfide ions (HS-) in water, making it an electrolyte.
d) CH4: Methane does not dissociate into ions in water and does not conduct electricity, making it a non-electrolyte.
e) Na2S: This compound dissociates into sodium ions (Na+) and sulfide ions (S2-) in water, making it an electrolyte.
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Define respiration in plants:
Define Transpiration in plants:
( Can’t be short has to at least be long or medium sized )
Answer:
Respiration in plants: The process of respiration in plants involves using the sugars produced during photosynthesis plus oxygen to produce energy for plant growth. In many ways, respiration is the opposite of photosynthesis. ... As with photosynthesis, plants get oxygen from the air through the stomata.
Transpiration in plants: The water eventually is released to the atmosphere as vapour via the plant's stomata — tiny, closeable, pore-like structures on the surfaces of leaves. Overall, this uptake of water at the roots, transport of water through plant tissues, and release of vapour by leaves is known as transpiration.
Sources (jic)
https://www.usgs.gov/special-topic/water-science-school/science/evapotranspiration-and-water-cycle
https://www.pthorticulture.com/en/training-center/basics-of-plant-respiration/
Good luck!!
The conjugate pair for a strong base is -
O a strong base
O a weak acid
a strong acid
O a weak base
which member of each pair of compounds forms intermolecular H bonds?
A) (CH3)2NH or (CH3)3N
B) HOCH2CH2OH or FCH2CH2F
The compounds that can can form intermolecular hydrogen bonds are,
A) (CH₃)₂NH
B) HOCH₂CH₂OH
A) (CH₃)₂NH or (CH₃)₃N: The compound that can form intermolecular hydrogen bonds is (CH₃)₂NH. In this compound, the presence of a lone pair of electrons on the nitrogen atom allows it to act as a hydrogen bond acceptor. Hydrogen bonds can form between the hydrogen atom in (CH₃)₂NH and a hydrogen bond donor, such as a molecule with an electronegative atom (e.g., oxygen or nitrogen) bonded to a hydrogen atom.
B) HOCH₂CH₂OH or FCH₂CH₂F: The compound that can form intermolecular hydrogen bonds is HOCH₂CH₂OH. In this compound, there are two hydrogen bond donors (the hydroxyl groups) and two hydrogen bond acceptors (the oxygen atoms). Hydrogen bonds can form between the hydrogen atoms in HOCH₂CH₂OH and the oxygen atoms of other molecules.
Therefore, the compounds (CH₃)₂NH and HOCH₂CH₂OH can form intermolecular hydrogen bonds."
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Write the Kb expression for the reaction of propylamine, C3H7NH2 with water.
a. [C3H7NH+3][OH−][C3H7NH2]
b. [C3H7NH2][H2O][C3H7NH+3][OH−]
c. [C3H7NH2][C3H7NH+3][OH−]
d. [C3H7NH+3][OH−][C3H7NH2][H2O]
The Kb expression for the reaction of propylamine, C3H7NH2, with water is [C3H7NH2][C3H7NH+3][OH−] . Hence, option (c) is correct.
The Kb expression for the reaction of propylamine (C3H7NH2) with water can be determined by considering the equilibrium between the amine (C3H7NH2) and its conjugate acid (C3H7NH+3) with hydroxide ions (OH−) in water. The reaction can be represented as follows:
C3H7NH2 + H2O ⇌ C3H7NH+3 + OH−
The equilibrium constant expression for this reaction, Kb, is given by the product of the concentrations of the products (C3H7NH+3 and OH−) divided by the concentration of the reactant (C3H7NH2):
Kb = [C3H7NH+3][OH−] / [C3H7NH2]
Therefore, the correct Kb expression for the reaction is [C3H7NH2][C3H7NH+3][OH−] (option c).
The Kb expression for the reaction of propylamine, C3H7NH2, with water is [C3H7NH2][C3H7NH+3][OH−] (option c).
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What do these two changes have in common? snails growing shells a slice of banana turning brown
Answer:
both are done due to the enviroment??
Identify which of the following functions are eigenfunctions of the operator d/dx: (a) eᶦᵏˣ, (b) cos kx, (c) k, (d) kx, (e) e⁻ᵃˣ^². Give the corresponding eigenvalue where appropriate.
Among the given functions, (a) e^ikx, (c) k, and (d) kx are eigenfunctions of the operator d/dx. The corresponding eigenvalues are (a) ik, (c) 0, and (d) k, respectively.
To determine whether a function is an eigenfunction of the operator d/dx, we need to check if applying d/dx to the function yields a scalar multiple of the original function.
(a) For the function e^ikx, we have d/dx(e^ikx) = ike^ikx. This shows that e^ikx is an eigenfunction of d/dx with an eigenvalue of ik.
(b) Taking the derivative of cos(kx) with respect to x gives us -ksin(kx), which is not proportional to the original function. Therefore, cos(kx) is not an eigenfunction of d/dx.
(c) For the constant function k, d/dx(k) = 0. This implies that k is an eigenfunction of d/dx with an eigenvalue of 0.
(d) The function kx has a derivative of d/dx(kx) = k. Hence, kx is an eigenfunction of d/dx with an eigenvalue of k.
(e) The derivative of e^(-ax^2) with respect to x is -2axe^(-ax^2). Since -2ax is not proportional to e^(-ax^2), e^(-ax^2) is not an eigenfunction of d/dx.
(a) e^ikx, (c) k, and (d) kx are eigenfunctions of d/dx, with corresponding eigenvalues of (a) ik, (c) 0, and (d) k, respectively. On the other hand, (b) cos(kx) and (e) e^(-ax^2) are not eigenfunctions of d/dx.
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NEED ANSWER ASAP
You are asked to make 500. mL of a 0.250 M NaCl solution. How many moles of NaCl would you need?
The moles of sodium chloride we need to make 500mL solution is 0.125 mole.
What is molarity?Molarity of any solution tells about the concentration and it is define as the no. of moles of solute present in per liter of solution, and it is represented as:
M = n/V, where
M = molarity of given NaCl solution = 0.250M
V = volume of NaCl solution = 500mL = 0.5L
No we put these values on the above equation and calculate for n, we get:
n = (0.250M)(0.5L) = 0.125 mole
Hence, required moles of NaCl is 0.125 mole.
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Which part of the nervous system analyzes the information and initiates a response
Answer:
CNS (central nervous system)
Explanation:
The central nervous system is responsible for integrating sensory information and responding accordingly.
Neurons (specialized cells of the nervous system ) send signals along thin fibers called axons and communicate with other cells by releasing chemicals called neurotransmitters at cell-cell junctions called synapses.
consider a solution containing 1.82e-4 m lead(ii) nitrate and 2.25e-2 m sodium chloride. given that ksp of pbcl2 = 1.6 x 10-5, what is the value of qc?
The value of Qc for the given solution is approximately 3.67425e⁻⁶.
To find the value of Qc (the reaction quotient) for the given solution, we need to determine the concentrations of the respective ions and use them to calculate Qc.
The balanced equation for the dissolution of lead(II) chloride (PbCl₂) in water is:
PbCl₂(s) ⇌ Pb²⁺(aq) + 2Cl⁻(aq)
From this equation, we can see that one mole of PbCl₂ dissociates to yield one mole of Pb²⁺ ions and two moles of Cl⁻ ions.
Given that the concentration of lead(II) nitrate (Pb(NO₃)₂) is 1.82e⁻⁴ M and the concentration of sodium chloride (NaCl) is 2.25e⁻² M, we can use the stoichiometry of the balanced equation to determine the concentrations of Pb²⁺ and Cl⁻ ions.
Since lead(II) nitrate dissociates completely, the concentration of Pb²⁺ ions is equal to the concentration of lead(II) nitrate:
[Pb²⁺] = 1.82e⁻⁴ M
Sodium chloride dissociates into one mole of Na⁺ ions and one mole of Cl⁻ ions. Since we're interested in the concentration of Cl⁻ ions, we'll use the given concentration of NaCl to calculate it:
[Cl⁻] = 2 * 2.25e⁻² M
= 4.5e⁻² M
Now, we can write the expression for Qc using the concentrations of the respective ions:
Qc = [Pb²⁺][Cl⁻]²
Putting in the values we obtained:
Qc = (1.82e⁻⁴ M)(4.5e⁻² M)²
= 1.82e⁻⁴ (20.25e⁻⁴)
= 36.7425e⁻⁸
Simplifying the expression:
Qc = 3.67425e⁻⁶
Therefore, the value of Qc for the given solution is approximately 3.67425e⁻⁶.
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How many molecules is 6.11 moles of Zn?
The answer is 0.015295197308045
We assume you are converting between moles Zinc and gram. You can view more details on each measurement unit: molecular weight of Zinc or grams The molecular formula for Zinc is Zn
How many grams is 0.02 moles of CuCl2
Answer:
2.69g
Explanation:
The molar masses of
Cu = 63.5
Cl = 35.5
So the molar mass of [tex]CuCl_{2}[/tex] is 63.5 + (35.5 x 2) = 134.5
134.5 x 0.02 = 2.69g
The increase in the rate of solvation with a rise in solvent temperature is mainly due to a(n)
a. increase in the activaton energy
b. increase in the movement of molecules leading to more collisions.
c. None of the above
The atmosphere helps regulate Earth's temperature so that life can exist. It also provides the oxygen and carbon dioxide that organisms need
to live. Air is an important natural resource that forms part of the atmosphere. Which of these claims provides a main reason that air is an
important natural resource?
Air affects surface currents in the oceans.
Air gives animals and humans a means of transportation.
Air protects organisms from harmful radiation from the sun.
Air provides a way for harmful pollutants to move away from Earth.
Answer: it is an importtant resource because it is what keeps most things alive in earth.
Explanation:
Write the formula of the coordination compound lithium pentacyanocobaltate(II). and Write the formula of the coordination compound pentaamminechlorocobalt(III) nitrate. Enclose the coordination complex in square brackets, even if there are no counter ions. Do not enclose a ligand in parentheses if it appears only once. Enter water as H2O
The formula of the coordination compound lithium pentacyanocobaltate(II) is [LiCo(CN)₅]²⁻.
What is lithium pentacyanocobaltate(II) ?
Pentacyanocobaltate attracted attention as an early example of a metal complex that reacts with hydrogen. It contains low-spin cobalt(II) with a doublet ground state.
Let's break down the formula to understand its components:
The central metal ion is cobalt (Co) in the +2 oxidation state, denoted as Co(II).
The ligands are pentacyanocobaltate, which means there are five cyanide ligands (CN⁻) bonded to the cobalt ion.
The coordination complex is negatively charged, with a charge of 2-, so it requires two lithium ions (Li⁺) as counter ions to balance the charge.
Therefore, the complete formula is [LiCo(CN)₅]²⁻, where the square brackets indicate the coordination complex and the superscript 2- indicates the charge.
The formula of the coordination compound pentaamminechlorocobalt(III) nitrate is [Co(NH₃)₅Cl]NO₃.
Breaking down the formula:
The central metal ion is cobalt (Co) in the +3 oxidation state, denoted as Co(III).
The ligands are pentaamminechlorocobalt, indicating there are five ammonia ligands (NH₃) and one chloride ligand (Cl⁻) bonded to the cobalt ion.
There is no need for any counter ions to balance the charge in this compound.
Thus, the complete formula is [Co(NH₃)₅Cl]NO₃, where the square brackets denote the coordination complex, and NO₃ indicates the presence of nitrate ions as the counter ions.
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1. In nature, most organisms produce through sexual reproduction. However, there are some that undergo (4)_____. Plants like strawberries and potatoes grow without seeds and spores, instead of using (5)____. In (6)______, you have a single-celled organism that copies the information inside of itself and divides into two identical organisms. Through (7)______, new organisms like yeast grow on parent organisms and split off once they're mature enough to survive independently. This isn't to be confused with (8)_____, which involves organisms splitting apart and growing independently of one another.
Word Bank for #4-8:
• budding
• binary fission
• vegetative propagation
• asexual reproduction
• fragmentation
Answer:
(4) asexual reproduction (5) vegetative propagation (6) binary fission (7) budding (8) fragmentation
The correct words to fill the given blanks would be as follows:
4). A-s-e-x-u-a-l reproduction.
5). Vegetative propagation.
6) Binary fission
7). Budding
8) Fragmentation
Reproduction
Reproduction is denoted as the process by which living organisms generate their younger beings.
Some organisms generate through s-e-x-u-a-l mediums while others generate through the A-s-e-x-u-a-l process.
The a-s-e-x-u-a-l methods of reproduction include:
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