A solutions isA.
a pure substance that has a fixed volume and shape.

B.
a pure substance that does not have a fixed volume or shape.

C.
an unevenly distributed mixture of two or more components.

D.
an evenly distributed mixture of two or more components.

Answers

Answer 1

Answer: Answer D, an evenly distributed mixture of two or more compounds.
This is because a solution requires a solvent and solute, which rules out answers A and B, as it means it cannot be pure.

Answer 2

Answer:

d is the answer solution is a mixture of two or more components

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If 10 milliliters of liquid has a mass of 70 grams, what is its density?O 7 g/mL70 g/mL0.7 g/mL700 g/mL

Which of the following is not an example of a chemical change?.

Answers

Well, I can tell you what a chemical change is and you can get your answer from there. A chemical change is when the very make up of the item is totally changed and can not be changed back. When one compound is converted into a totally new compound having different chemical properties. So... melting an ice cube would be physical and not chemical. Crumbling up a piece of paper would be physical becasue if you uncrumble it, it's still a piece of paper. But Burning paper would be considered chemical becasue now it's ash and you can't get that piece of paper back. I hope this helps!! c:

Answer:

Baking cake

Explanation:

U welcome

When are conservation efforts most effective? a. Conservation efforts are most effective when multiple groups cooperate. b. Conservation efforts are most effective when government is solely responsible for them. c. Conservation efforts are most effective with individual efforts. d. Conservation efforts are always effective.

Answers

Conservation efforts most effective if Conservation efforts are most effective when multiple groups cooperate. The answer is letter A. The rest of the choices do not answer the question above

Answer: Option (a) is the correct answer.

Explanation:

Conservation efforts means to carefully preserve or protect something. These efforts are fruitful when a majority of people or communities come together in order to preserve something good for the betterment of environment.

As when maximum number of people come lend their hands for help only then conservation efforts can be achieved.

For example, a city with maximum pollution can only be conserved when maximum groups of people decide to conserve plants or plant more number of trees.

Thus, we can conclude that conservation efforts are most effective when conservation efforts are most effective when multiple groups cooperate.

What is the formula mass of Al2(SO4)3?

Answers

Classic! I assume you have one of those handy-dandy reference tables, but if not look up the periodic table. The formula mass is the total mass of all the atoms in the equation, in other words it's all of the atomic masses added up together. So let's begin.
There are 2 aluminum atoms
Al- 2 atoms*27 <--- 27 is the estimated atomic mass number
S- 3 atoms*32
O-12 atoms*16
multiply that out...
Al- 54 grams +
S- 96 grams +
O- 192 grams+ now lets add everything together
__________
342 grams of Al2(SO4)3. Pretty cool?

Which of the following statements is not true regarding acids?Most fruits contain weak acids.

Acids react with bases in neutralization reactions to produce water.

Acids can be both highly and mildly corrosive.

Active metals will react with acids in double replacement reactions.

Answers

The correct answer is the last option. Active metals will not react with acids in double replacement reactions. Instead, it reacts with metals via sing replacement reactions. It will displace hydrogen from the acid.

Active metals will react with acids in double replacement reactions.

NH4+

increase the volume
add a catalyst

Calculate the mass percent of titanium in the mineral ilmenite, FeTiO3.

Answers

This question is asking you to find how much titanium there is in FeTiO3.

First, let's add up all of the elements to find the total mass of the compound.

We know that there is 1 iron, 1 titanium, and 3 oxygen. We will reference the periodic table, and use the element's atomic weight.

Fe x 1: (55.85g x 1) = 55.85g
Ti x 1: (47.87g x 1) = 47.87g
O x 3: (16.00g x 3) = 48.00g
--------------------------------------
+ 151.72g

Now to find the percentage of titanium in the compound, we are going to divide the atomic weight of titanium by the total weight of the compound, and multiply by 100.

(weight of Ti) / (total weight of FeTiO3) x 100 = percent of Ti%

47.87g / 151.72 x 100 = 31.55%

What type of reaction takes place when the melting of a solid occurs?