You are given a small beaker of solution at room temp. You add a bit of solute to the solution and it dissolves. The solution was:.

Answers

Answer 1

Answer:

UNsaturated

Explanation:

Eventually by adding solute you will reach a point where no more will dissolve....then it is saturated


Related Questions

1. The electron arrangement ions X and Y2 are 2, 8, and 2, 8, 8 respectively.
Write the electronic arrangement of the elements X and Y. (2 mks)
Write the formula of the compound that would be formed between X and Y.
a
mk)​

Answers

The given question is incomplete. the complete question is:

The electron arrangement ions [tex]X^{3+}[/tex] and [tex]Y^{2-}[/tex] are 2, 8, and 2, 8, 8 respectively.

Write the electronic arrangement of the elements X and Y.

Write the formula of the compound that would be formed between X and Y.

Answer: 1. The electronic arrangement for X and Y are 2,8, 3 and 2,8,5 respectively.

The formula of the compound formed is [tex]X_2Y_3[/tex]

Explanation:

Electronic configuration is the arangement of electrons in an atom in order of increasing energies.

Cations are formed when electrons are lost by atoms and anions are formed when electrons are gained by atoms.

[tex]X^{3+}:2,8[/tex]

[tex]X:2,8,3[/tex]

[tex]Y^{3-}:2,8,8[/tex]

[tex]Y:2,8,5[/tex]

For formation of a neutral ionic compound, the charges on cation and anion must be balanced.

Here element X is having an oxidation state of +3 called as [tex]X^{3+}[/tex] cation and [tex]Y^{2-}[/tex] is an anion with oxidation state of -2. Thus they combine and their oxidation states are exchanged and written in simplest whole number ratios to give neutral [tex]X_2Y_3[/tex]

9
If you wanted to make 250 mL of a 0.01 M solution of CaCl, calculate how many moles of calcium chloride would be
needed. Your response must include both a correct numerical setup and the calculated result. [1]

Answers

Answer:

0.0025moles

Explanation:

Molarity of a solution (M) = number of moles (n) ÷ volume (V)

According to this question, to make 250 mL of a 0.01 M solution of CaCl, the following number of moles is needed:

Volume = 250mL = 250/1000 = 0.250Litres.

Using; molarity = n/V

0.01 = n/0.250

n = 0.0025

n = 2.5 × 10^-3 moles.

qestions do you have about plate tectonics

Answers

From the deepest ocean trench to the tallest mountain, plate tectonics explains the features and movement of Earth's surface in the present and the past.

Developed from the 1950s to the 1970s, the theory of plate tectonics is the modern update to continental drift, an idea first proposed by scientist Alfred Wegener in 1912 which stated that Earth’s continents had “drifted” across the planet over time. Wegener didn't have an explanation for how continents could move around the planet, but researchers do now: plate tectonics.  

Plate tectonics is the theory that Earth's outer shell is divided into large slabs of solid rock, called “plates,” that glide over Earth's mantle, the rocky inner layer above Earth’s core. Earth’s solid outer layer, which includes the crust and the uppermost mantle, is called the lithosphere. It is 100 km (60 miles) thick, according to the Encyclopaedia Britannica. Below the lithosphere is the asthenosphere—a viscous layer kept malleable by heat deep within the Earth. It lubricates the undersides of Earth's tectonic plates, allowing the lithosphere to move around.

Answer:

1. How fast do tectonic plates move? Answer: There are seven major plates: African, Antarctic, Eurasian, Indo-Australian, North American, Pacific and South American

2. What are the factors affecting plate tectonics? Answer: The force that causes most of the plate movement is thermal convection, where heat from the Earth's interior causes currents of hot rising magma and cooler sinking magma to flow, moving the plates of the crust along with them.

3. What 3 things support the theory of plate tectonics? Answer: Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together. Fossils tell us when and where plants and animals once existed.

Explanation:

What type of organism is the common house cat?
F
parasite
G
saprophyte
H
autotroph
J
heterotroph

Answers

Answer:

F

parasite

Explanation:



What is the value that is MEASURED in a lab?

Answers

Answer:

To use standard laboratory measurement devices to measure length, volume and mass amounts.

The picture shows a community living in a dry, grassy area. A few organisms have died off due to lack of a water source. ******Is this an example of an abiotic or biotic limiting factor? WHY

Answers

Answer:

brainly blurred the half of the question i cant read it completely

Explanation:

what is the ionic equation for dilute hydrochloric acid and magnesium

Answers

Answer:

Mg(s) + 2H⁺(aq) ⟶ Mg²⁺(aq) + H₂(g)  

Explanation:

A net ionic equation shows all the ionic substances as ions and shows the correct state of each substance.

Magnesium react with hydrochloric acid according to the equation :

Mg(s)+2HCL(aq)----->MgCL2(aq) +H2(g)

This demonstration can be used to illustrate the characteristics reactions of metals with acid , a single replacement reaction ,or to demonstrate the generation of hydrogen gas.

a- Write the name of the process when the electron falls to a lower energy level and a photon is emitted

Answers

Answer:

emission

Explanation:

when atoms return to lower energy levels they emit photons, in a process called emission

Describe how urine is formed, beginning with the blood. In 5th grade language please​

Answers

Answer:

kidneys takes the waste out of the blood. It is then stored in the bladder, until the urinary tract takes the urine out of the body.

a solution is prepared by dissolving 55g of CaCl2 into 300g of water. if the Kf of water is -1.86 c/m, shat is the freezing point depression of the solution

Answers

Answer:

Relation between , molality and temperature is as follows.

                T =

It is also known as depression between freezing point where, i is the Van't Hoff factor.

Let us assume that there is 100% dissociation. Hence, the value of i for these given species will be as follows.

         i for  = 3

          i for glucose = 1

          i for NaCl = 2

Depression in freezing point will have a negative sign. Therefore, d

depression in freezing point for the given species is as follows.

       

                 =

       

                  =

     

                   =

Therefore, we can conclude that given species are arranged according to their freezing point depression with the least depression first as follows.

                    Glucose < NaCl <

Explanation:

what is the electronic structure of an atom with a proton number 11 and mass number 23

Answers

Answer:

1s^2 2s^2 2p^6 3s^1

Explanation:

electron configuration of an element gives description of the distribution of electron in it's orbital of the atom, the superscript symbolize number of electron been hold by them.

The element here is sodium, which is a alkali metal

mass number =23

Number of proton= 11

electron must be seen in thelowest-energy subshell that is available in the the 3s orbital,

Hence, the electronic configuration is

1s^2 2s^2 2p^6 3s^1

Please Help! Brainliest!

Convert the following to milligrams: 5.6 x 10-4 kilograms. Show your work on a separate sheet of paper and attach
with your assignment.

Answers

Hi there!

Here's a picture to show you. Does this help?

What is the percent by mass of C in benzene (C6H6)? The molecular weight of carbon is 12.0107 g/mol and of hydrogen 1.00794 g/mol

Answers

Answer:

92.26% of C

Explanation:

To solve this problem we must assume we have 1 mole of benzene. The mole contains 6 moles of C and 6 moles of H. We have to convert these moles to grams in order to find the total mass and mass percent will be:

Mass atom / Total mass * 100

Mass C: 6mol C * (12.0107g / mol) = 72.0642g

Mass H: 6mol H * (1.00794g / mol) = 6.04764g

total mass: 72.0642g + 6.04764g = 78.11184g

Mass percent of C will be:

72.0642g C / 78.11184g* 100

92.26% of C

A train with an initial velocity of 31 m/s begins accelerating at rate of 0.0705 m/s^2. If the train travels for 180.5s, how far does it travel?

Answers

Answer:

v = 43.72 m/s

Explanation:

Given that,

Initial velocity of the train, u = 31 m/s

Acceleration of the train, a = 0.0705 m/s²

Time for which the train travel, t = 180.5 s

We need to find the final velocity of the train. Let it is v.. Using first equation of kinematics to find it such that,

[tex]v=u+at\\\\v=31+0.0705\times 180.5\\\\v=43.72\ m/s[/tex]

So the final speed of the train is equal to 43.72m/s.

The mass of this atom is:
u. 3 mass units
b. 4 mass units
c. 6 mass units
d. 7 mass units
e. 11 mass units

Answers

The answer is going to be c

Answer correctly and dont bother coming to this question if you have the wrong answer.

Answers

Answer:

it's b or d I am not 100% sure witch one tho

Answer:

B.

Explanation:

It is B because it says which is an example of A PHYSICAL MODEL. B is a physical model becuase by using tennis balls to represent the plantes (including the sun)

it is a model of a problem!!!

Have a great day!

Hope this helps!

-Lea

An oxidizing flame resembles the neutral flame slightly, but has an inner cone that is shorter and more pointed with an almost purple color instead of brilliant white true or false

Answers

Answer:

True

Explanation:

The answer to this question is true. The oxidizing flame is a flame which is gotten when oxygen is used excessively. The flame is bluish or almost purple in color. And it makes a hissing sound. The flame from this is shorter than the neutral flame. In the neutral flame there is neither the occurrence of oxidation or reduction.

What theoretical yield of NaCl would result from reacting 3.00 moles of Na2CO3 with excess HCl (aqueous)?

Answers

Answer:

350.7 g of NaCl

Explanation:

For this reactions our reactants are:

HCl and Na₂CO₃.

Then, the reaction is:

2HCl + Na₂CO₃ →  2NaCl  +  H₂CO₃

2 moles of hydrochloric acid react to 1 mol of sodium carbonate in order to produce 2 moles of salt and 1 mol of carbonic acid.

Ratio is 1:2. 1 mol of sodium carbonate can produce 2 moles of NaCl

Then, 3 moles of carbonate may produce (3 . 2) /1 = 6

We convert the moles to mass to determine the theoretical yield

6 mol . 58.45g /mol = 350.7 g

The theoretical yield of NaCl produced is 350.7 g.

What is NaCl?

NaCl is a salt, and it is an ionic compound.

The reaction is

[tex]\rm 2HCl + Na_2CO_3 \rightarrow 2NaCl + H_2CO_3[/tex]

2 mol of HCl reacts with 1 mol of [tex]Na_2CO_3[/tex] and produces 2 mol of NaCl and 1 mol of [tex]H_2CO_3[/tex].

The ratio will be [tex]Na_2CO_3[/tex] : NaCl

                                1 : 2

Then, for 3 mol of [tex]Na_2CO_3[/tex]

[tex]\dfrac{3 \times 2}{1} = 6[/tex]

Now, convert the moles to mass

[tex]6\; mol \times 58.45g /mol = 350.7 g[/tex]

Thus, the theoretical yield produced is 350.7 g.

Learn more about NaCl

https://brainly.com/question/1473063

An 886 mL sample of Neon gas is at 752 torr and 299 K. What will be the new volume if, with the pressure and amount of gas held constant the temperature is increased to 371 K?

Answers

Answer:

[tex]V_2=1099.35mL[/tex]

Explanation:

Hello there!

In this case, according to the given information, it is possible to infer that as both the amount of the gas and the pressure remains the same, we can solve this problem via the Charles' law a directly proportional relationship between the volume and temperature:

[tex]\frac{V_2}{T_2} =\frac{V_1}{T_1}[/tex]

Thus, by solving for the final volume, V2, we obtain:

[tex]V_2 =\frac{V_1T_2}{T_1} \\\\V_2 =\frac{886mL*371K}{299K}\\\\V_2=1099.35mL[/tex]

Best regards!

People don't want to live in a warming world so maybe do less things that emit greenhouse gasses.

Answers

Answer:

yea that's true

things you can do is: reduce ,reuse, and recycle

reduce the use of air/heat

remove lightbulbs and replace led bulb

drive less

plant a tree

Explanation:

WILL MARK BRAINLIEST!!

Need help plsss

Answers

6.32 KJ is how much heat is given off

What does the little 2 in 2CO2 mean?

Answers

Answer:

it means 2 oxygen atoms in the molecule

Explanation:

Create a model of the atoms of a substance moving through the solid, liquid, and gas states.

Answers

Hope this helpssssssnsnekwnwjwj
Yes that is correct

How many moles of nitrogen gas are present in a 28.9 dm3 temperature of 55.0 °C and a pressure of 144 kPa?

Answers

Given :

Temperature, T = 55° C = ( 55 + 273 ) K = 328 K .

Volume of container, V = 28.9 dm³ = 0.0289 m³ .

Pressure, P = 144 kPa = 144000 Pa .

To Find :

Number of moles of nitrogen  gas.

Solution :

We know, by ideal gas equation :

PV = nRT  ( R ( universal gas constant ) = 8.31 J K⁻¹ mol⁻¹ .

[tex]n = \dfrac{PV}{RT}\\\\n = \dfrac{144000\times 0.0289}{8.31 \times 328} \ moles\\\\n = \dfrac{4161.6}{2725.68}\\\\n = 1.53 \ moles[/tex]

Therefore, number of moles of nitrogen gas is 1.53 moles.

Scientists have been able to find a full record of Earth's fossil history, thus making the fossil record complete.

True or False?

Answers

Answer:

False

Explanation:

Few organisms were not preserved as well as others, and new fossils are found every day

How many milliliters of 0.20 M NaOH must be added to 75 mL of 0.050 M HCl to make a neutral solution?

Answers

Answer:

this should help

Explanation:

Can someone please answer this?

Answers

Answer:

B) go look on the periodic table for the atomic number

Explanation:

The atomic number is how many protons is in an atom

Answer:

Either A or B

Explanation: Because I learned it on Edge. :)

Which energy transformation occurs when a match is lit?
A
Chemical energy to heat energy
B
Heat energy to potential energy
C
Electrical energy to heat energy
D
Kinetic energy to potential energy

Answers

Answer:

A

Explanation:

the chemical energy in the phosphorous in the match turns into heat energy once the match is struck and starts to combust.

Answer:

Chemical energy to heat energy

Select the correct answer.
John is riding a ski lift to the top of Wildcat Mountain. He removes his gloves and rapidly rubs his hands together to warm them up. What
happens when John rubs his hands?
O A. The skin on his hands rapidly conducts heat, similar to metal.
O B. He traps heat between his hands because skin is an insulator. IS
O C. The particles In his hands vibrate faster because of friction.
O D. Thermal energy moves from his fingertips to his palms.
O E. He simulates a fever that'll raise his core body temperature.

Answers

Answer:

Fairly certain it's C. The particles In his hands vibrate faster because of friction :)

Answer:

C

Explanation:

A student titrated 50 cm of sulphuric acid (H2SO4)of an unknown concentration
in a flask with sodium hydroxide (NaOH).
The acid required 30 cm3 of 0.500 mol/dm3 NaOH to reach the end point
H2SO4(aq)
+ 2NaOH(aq)
Na2SO4(aq) + 2H2O()
Calculate the concentration the acid.
Concentration =
mol/dm3​

Answers

No. of mol. of NaOH used: (30/1000)*0.5= 0.015mol
Mole ratio of NaOH:H2SO4= 2:1
No. of mol. of H2SO4: 0.015/2= 0.0075mol
Conc. of acid= 0.0075/(50/1000)= 0.15moldm^-3

Hope it helps, drop a thanks
Other Questions
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