3 years ago

If 50g of calcium carbonate is heated, what mass of calcium oxide is formed

Chemistry

1 answer:

tresset_1 [31]3 years ago

5 0

Answer:

22 g of CO2 are obtained from decomposition of 50 g of CaCO3

Explanation:

You might be interested in

Name the gas that the limewater in the flask is testing for.

enyata [817]

Answer:

Explanation:

Carbon dioxide is the answer I think.

Hope it helps...

4 0

3 years ago

How many grams of CrSO3 are in 2.4 moles of CrSO3

castortr0y [4]

Answer: 316.8 g CrSO3

Explanation: Solution:

2.4 moles CrSO3 x 132 g CrSO3 / 1 mole CrSO3 = 316.8 g CrSO4

The conversion factor is 1 mole of CrSO4 is equal to its molar mass which is 132 g CrSO3

4 0

3 years ago

Scientific notation is

Murrr4er [49]

Answer:

Scientific notation is a system in which quantities are too big or too tiny to compose in decimal form.

Key words:

1: Scientific

2: Quantities

3: Decimal

Please mark brainliest

<em><u>Hope this helps.</u></em>

8 0

3 years ago

Which of the following actions will lead to a decrease in pressure?

Alex Ar [27]

The action that would most likely lead to. Decrease in volume is decrease in temperature.

6 0

3 years ago

Read 2 more answers

a sample of 25.0g of an unknown metal is added to 25.0ml of water in a graduated cylinder and the final volume is 28.5ml what is

leva [86]

Answer:

<h2>The answer is 7.14 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

$density = \frac{mass}{volume} \\$

From the question

mass of metal = 25 g

volume = final volume of water - initial volume of water

volume = 28.5 - 25 = 3.5 mL

It's density is

$density = \frac{25}{3.5} \\ = 7.142857...$

We have the final answer as

Hope this helps you

8 0

3 years ago