The lowest and largest conversion factors are nanoliters and kiloliters, respectively. Among all the given options, the correct option is option C.
What is volume?A liquid, solid, or gas's volume is the amount of three-dimensional space it occupies. Although there are many different units that may be used to indicate volume, the most common ones are liters, m³, gallons, milliliters, teaspoons, as well as ounces.
Gases have a volume equal to the internal capacity of the container since they fill their containers to the brim. Containers with a designated volume or one whose interior form is known are frequently used to measure liquids. Measuring cups, graded cylinders, flasks, as well as beakers are a few examples of the tools used to quantify liquid volume. 3.0x10⁻¹²kiloliters represents the greatest volume.
Therefore, the correct option is option C.
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A chemist reacted 11.50 grams of sodium metal with an excess amount of chlorine gas. The chemical reaction that occurred is shown.
Na + Cl2 → NaCl
If the percentage yield of the reaction is 85%, what is the actual yield? Show your work, including the use of stoichiometric calculations and conversion factors.
Actual yield is the definite mass of the product obtained from the reaction. The actual yield of the reaction is 24.83 gms.
What is the percentage yield?Percentage yield is the proportion of the actual to the theoretical yield. The formula is given as,
% yield = Actual yield ÷ Theoretical yield × 100
The balanced chemical reaction is given as:
2 Na + Cl₂ → 2NaCl
From the reaction:
2 × 23 Na = 2 × 58.44 gm of NaCl
If, 1 gm of Na will produce = (2 × 58.44) ÷ (2 × 23)
Then, 11.50 gms sodium will produce, (2 × 58.44) ÷ (2× 23) × 11.50
= 29.22 g
So, the actual yield is calculated as:
= % yield × Theoretical yield ÷ 100
= 85 × 29.22 ÷ 100
= 24.83 g
Therefore, the actual yield of the reaction is 24.83 gms.
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Answer:24.83 g is actual yield
Explanation:
How many moles of iron are in (2.0x10^-36) atoms of iron (Fe)?
Answer:
Approx. 20 moles of iron
Explanation:
There are approx. 6.022 ×1023 iron atoms per mole of ion. This quantity, this number of iron atoms has a mass of 55.85 ⋅ g.
you have separate solutions of a monoprotic, diprotic, and triprotic acid which each have the same concentrations in terms of molarity. you wish to neutralize a solution of calcium hydroxide. which acid solution would require more volume to neutralize the base?
a)monoprotic solution
b)diprotic solution
c) triprotic solution
d) you need to know the exact acid concentration to answer this question
e) you need to know the exact volume and concentration of the base solution to answer this question
Answer:
I think it's d but I'm not 100% sure
Explanation:
A mass of 2.20 kg of sodium phosphate is converted into the following number of moles
Explanation:
please refer to the attachment
I think that when the temperature decreases, the pressure will __________. When things are cooled,________________..
Answer:
See below ~
Explanation:
From The Ideal Gas Equation,
P ∝ TTherefore,
I think that when the temperature decreases, the pressure will decrease. When things are cooled, pressure decreases.
What term describes the movement of small rock particles
away from their source?
O Weathering
O Decomposition
O Erosion
Answer:Erosion
Explanation:
I got it right on edmentum
Charle's Law
At 27.00 °C a gas has a
volume of 6.00 L. What will
the volume be at 150.00 °C?
Given:
Unknown:
Formula:
Solution:
Final Answer:
Convert temperature to Kelvin
27°C=300K150°C423KApply Charles law
V1T2=V2T16(423)=27V22538=27V_2V2=94LWhich of the following best describes a weak acid?
A. It dissociates completely and produces OH- ions in water.
B. It only partially dissociates and produces H+ ions in water.
C. It dissociates completely and produces H+ ions in water.
D. It only partially dissociates and produces OH- ions in water.
Answer:
B.
Explanation:
weak acids - partially dissociate to give H+
strong acids - fully dissociate to give H+
What is the mole fraction of each component of a gas mixture that contains
sulfur trioxide at a pressure of 1.55 atm and sulfur dioxide at a pressure of
0.35 atm?
Answer:
A model of a shopping centre is drawn to scale where 1 cm on the model represent 4 m on the ground. Music shop Thabo's Sports Ware Fati's Clothing shop Grocery store PARKING Coffee shop Toilets Restaurant Shoe store Physiotherapy Health and Fitness center 1.1 Which shop is on the right of the physiotherapy? (2) 1.2 Describe the position of the Coffee Shop in relation to the Toilets. (2)
This is an impossible formula. If it were real, determine the molar mass of:
Fe1S1O5
The molar mass of the ammonium lauryl sulfate is 283.43 g/mol.
What is Ammonium lauryl sulfate?It is also called ammonium dodecyl sulfate. It is used in shampoos we use for hair. It can be dissolved in both polar and non-polar solvent. It can cause skin irritation sometimes.
Thus, the molar mass of the ammonium lauryl sulfate is 283.43 g/mol.
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Define the term pH in acid and base
Answer:
a measure of how acidic/base water is.
Explanation:
hope it's helpful (◕ᴗ◕✿)
Can someone check my answers?
Balance the following chemical equations.
1. __4_ Fe + _3__ O2 → _2__ Fe2O3
2. __2__ C4H10 + __13__ O2 → __8__ CO2 + ___10_ H2O
3. __2__KClO3 → __2__KCl + __3__O2
4. _4___ NH3 + _5___ O2 → _4___ NO2 + _6___ H2O
5. __4__ FeCr2O7 + __8__ K2CO3 + ____ O2 → __2__ Fe2O3 + _8___ K2CrO4 + __8__ CO2
6. Given the reaction P4 + O2 → P2O5
a. Balance the equation
-P4 + 5O2 → 2P2O5
b. How many moles of P2O5 can be produced from 63.1 moles of O2?
-25.24
7. Mole ←→ Mass Conversions
Convert the following number of moles of chemical into its corresponding mass in grams.
a. 0.436 moles of ammonium chloride
-23.323
b. 2.360 moles of lead (II) oxide
-526.750
c. 0.031 moles of aluminium iodide
-12.639
d. 1.077 moles of magnesium phosphate
-283.095
e. 0.50 moles of calcium nitrate
-82.0439
8. Using the following equation:
2 NaOH + H2SO4 → 2 H2O + Na2SO4
How many grams of sodium sulfate will be formed if you start with 200 grams of sodium
hydroxide and you have an excess of sulfuric acid?
-355.25g
9. Using the following equation:
4 NH3 + 5 O2 → 4 NO + 6 H2O
How many moles and how many grams of oxygen (O2) are needed to react with 56.8
grams of ammonia by this reaction?
-4.18 moles or 133.6 grams
10. The catalytic decomposition of hydrogen peroxide is:
____H2O2 (aq) → ____H2O (l) + ____O2 (g)
a. Balance the reaction.
-2H2O2 → 2H2O + O2
b. How many moles of water and oxygen are produced by the decomposition of 86.0
grams of hydrogen peroxide?
-2.5
11. If 154.0 grams of potassium metal reacts with excess water, then how many grams of
potassium hydroxide and hydrogen gas are formed? What volume of hydrogen gas, in liters,
is formed at STP ? Be sure to balance the reaction first.
-__2_K(s) + __2__H2O(l) → __2__KOH(aq) + ____H2(g)
-220.99 grams of potassium hydroxide, 3.97 grams of hydrogen gas, 44.1 liters
12. The burning of solid sulfur in air produces sulfur dioxide gas.
S + O2 → SO2
Balance the reaction. How many moles of sulfur dioxide does the burning of 3 moles of
sulfur form? Calculate the volume of sulfur dioxide produced at STP.
-3 moles of sulfur dioxide, 0.06 l
13. The combustion of a sample of butane, C4H10 (lighter fluid), produced 2.76 grams of water.
2 C4H10 + 19O2 →
The above give the reactants of a combustion reaction.
a. What are the products?
-CO2 + H2O
b. Balance the equation?
-2 C4H10 + 13 O2 = 8 CO2 + 10 H2O
c. If you start with 9.3 grams of C4H10, how much pure O2 is left, if any?
-33.28 g
14. Convert 4084 grams of 3 kept at −40℃ to Liters at STP. The density as a liquid is
681.9kg/3
and 0.769/3
as a gas.
-5.3107 l as a gas, and 0.00598 l as a liquid
15. 3 decomposes into Nitrogen gas and Iodine. If you start with 0.02 grams of 3,
How many moles of Nitrogen are produced at STP?
-0.00002
Answer:
yea they look good. From what I can tell everything is correct.
Explanation:
HCI (aq) + Ba(OH)2 (aq) →
+
-
Which of the following reactions shows a correctly balanced chemical
equation for the titration being performed?
A 2 HCl (aq) + Ba(OH)2 (aq) → BaH2 (aq) + 2 CIOH (aq)
B 2 HCl (aq) + Ba(OH)2 (aq) → BaCl2 (aq) + 2 H20 (1)
CHCl (aq) + Ba(OH)2 (aq) → BaCl (aq) + H2O2 (1)
DHCl (aq) + Ba(OH)2 (aq) → Bao (s) + H3CIO (aq)
Answer:
B. 2 HCl (aq) + Ba(OH)2 (aq) → BaCl2 (aq) + 2 H20 (1)
Explanation:
When you combine an acid and a base, the products are water (H2O), and an ionic compound, or salt.
Option B is the only one that contains an ionic compound (BaCl2) and water as the products.
How many molecules of hydrogen fluoride (HF) are in (8.5x10^-2) moles of hydrogen fluoride (HF)?
Avogadro's numbers are used to convert the moles, atoms, and molecules. There are 51.17 × 10²¹ molecules in 8.5 x 10⁻² moles of HF.
What is Avogadro's number?Avogadro's number converts the moles into molecules with the help of the value of the Avogadro's number as 6.02 x 10²³.
We know that 1 mole of HF has 6.02 x 10²³ molecules
Then, 8.5 x 10⁻² moles of HF will have:
(8.5 x 10⁻²) × 6.02 x 10²³ = 51.17 × 10²¹ molecules.
Therefore, 51.17 × 10²¹ molecules are present in 8.5 x 10⁻² moles of HF.
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I would really appreciate some help with this question:
Sulfur dioxide reacts with oxygen to produce sulfur trioxide:
2SO2(g) + O2(g) → 2SO3(g)
What mass of oxygen, in grams, would react completely with 1.28 g of sulfur dioxide?
Relative atomic masses (Ar): sulfur = 32, oxygen = 16
The pressure of a sample of 226 cm3 of methane is doubled. What is the new volume of the gas? Assume that the temperature stays constant
The new volume of the methane gas would be 113 atm
What is Boyle's law?At constant temperature, the pressure of a gas is inversely proportional to its volume.
Mathematically; P1V1 = P2V2 where P1 = initial pressure, P2 = final pressure, V1 = initial temperature, and V2 - final temperature.
In this case, V1 = 226 [tex]cm^3[/tex], P2 = 2P1
Thus: V2 = P1V1/2P1 = V1/2 = 226/2 = 113 atm
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Which choice is not a physical property of matter?
O boiling point
O melting point
O viscosity
O heat of combustion
Answer: The Correct answer is D.) Heat of combustion
Explanation:
Answer:
D
Explanation:
i took the k-12 test
Use VSEPR theory to predict the molecular
shape of the ion NO−3.
1. trigonal-planar
2. bent or angular
3. tetrahedral
4. trigonal-bipyramidal
5. trigonal-pyramidal
6. octahedral
7. None of these
8. linear
Answer:
1. trigonal-planar
Explanation:
NO3- (nitrate) has three domains around it and each oxygen pushes against each other creating a planar structure.
Solve:
Can water stay liquid below zero degrees Celsius?
Yes. If you lower the temperature of a test tube of water slowly, the water can remain liquid if it is not disturbed. As soon as the super cold water is disturbed the water will start crystalizing at a nucleation point and will convert to ice very quickly.
Pb+FeSO4⇒PbSO4+Fe is what kind of reaction?
Answer:
This is a displacement reaction.
Explanation:
The reaction where a part of the reactant is replaced by another reactant is defined as a displacement reaction. In this reaction, Fe of the reactant is displaced or replaced by another reactant Pb to form lead sulfate. So, this is an example of a displacement reaction.
How many moles are in 843 grams of MgCl2
Answer:
moles = mass / Molar mass
Mass = 843molar mass = 95.211moles -> 843/95.211 = 8.85 mol
[?] describes the three dimensional highly repeating particles within a solid?
Answer: crystal lattice
How do meteoroligists measure wind chill
Answer:
Researchers at the NWS use a mathematical formula to calculate wind chill. In that formula, the wind speed in miles per hour (v) is subtracted from the air temperature in degrees Fahrenheit (T). It can be used in temperatures below 50°F and wind speeds above 3 mph.
Explanation:
Green light has a frequency of about 6.00×1014s−1 . What is the energy of a photon of green light?
Propane boils at -42C. Octane boils at 126C Which is a gas at the freezing point of water?
The substance which is a gas at the melting point of water is the gas propane.
What is freezing point?The term freezing point refers to the point at which a liquid turns to solid. It is often the temperature as the melting point.
Thus, the substance which is a gas at the melting point of water is the gas propane.
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Which compound, on the basis of its name, has a carbon-carbon triple bond? chlorobutane butane butene butyne
The compound that has Carbon-Carbon triple bond is Option D , Butyne.
What is Alkyne ?
An alkyne is an unsaturated hydrocarbon containing at least one carbon—carbon triple bond.
The general chemical formula is [tex]\rm C_{n} H_{2n-2}[/tex]
Like other hydrocarbons, alkynes are generally hydrophobic.
Butyne is an alkyne that contains 4 carbon and 6 hydrogen. It contains one triple bond and has two isomeric organic chemical compounds
1-Butyne (ethylacetylene)
2-Butyne (dimethylacetylene)
Therefore the compound that has Carbon-Carbon triple bond is Option D , Butyne.
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The graph in part A shows how slow-moving water cannot carry large pieces of sediment. As water slows down on the inside of a curve, some of the larger pieces of sediment will settle out of the water. What effect will the settling of sediment have on the shape of the stream?
The river will deposit sediment along the inside of a bend in the river. This deposition causes the inside of the curve to become shallower and move farther inward.
What are Meandering Rivers ?Rivers flowing over gently sloping ground begin to curve back and forth across the landscape. These are called meandering rivers.
Meandering rivers erode sediment Larry from the outer curve of each meander bend and deposit it on an inner curve further down stream.
This causes individual meanders to grow larger and larger over time.
Meandering river channels are asymmetrical. The deepest part of the channel is on the outside of each bend. The water flows faster in these deeper sections and erodes material from the river bank.
The water flows more slowly in the shallow areas near the inside of each bend. The slower water can't carry as much sediment and deposits its load on a series of point bars.
Thus the settling of sediment will make the stream steeper.
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Answer:
The river will deposit sediment along the inside of a bend in the river. The deposition causes the inside of the curve to become shallower and move farther inward.
Explanation:
Edmentum
A gas at 131.0 kPa and 28.0°C fills a flexible container with an initial volume of 2.88 L. If the temperature
is raised to 69.4°C and the pressure increased to 451.0 kPa, what is the new volume in Liters?
(Show all work)
0.837
0.723
0.952
O 0.761
Apply combine gas law
P1V1/T1=P2V2/T2131(2.88)/(273+28)=451V2/(273+69.4)131(2.88)/301=451V2/341.6V2=10.2LPerform the following
mathematical operation, and
report the answer to the
correct number of significant
figures.
16.52 x 5.8 =
Answer:
95.8
Explanation:
The number comes out to be 95.816, but you round multiplcation to the lowest significant figure present in the problem. 16.52 has 4 sig figs, and 5.8 has 2 sig figs. Thus, your answer ends up being two significant figures.
Answer: 96
Explanation:
Helium gas occupies a volume of
12.5 Lat -45 degrees Celsius. What
volume will it occupy at 15 degrees
Celsius?
Answer:
15.79 L
Explanation:
V1 /T1 = V2/T2
Re-arrange to:
V1/T1 * T2 = V2 Note that T must be in units K
12.5/ ( -45 + 273.15) * ( 15 + 273.15) = 15.79 L