Which unit is not a measurement of volume? cm L ml Cm^3

Chemistry

1 answer:

Mademuasel [1]4 years ago

8 0

Centimeters are units of length.

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How many grams and what is the limiting reactent?

gayaneshka [121]

Hello!

1) What is the limiting reactant?

The chemical equation for this reaction is:

2Al(OH)₃ → Al₂O₃ + 3H₂O

The Limiting Reactant is the one that is in the lowest amount in the reaction and determines how many moles are produced. You can see that in this chemical equation there is only one reactant since this reaction is a decomposition reaction. So, the limiting reactant is Al(OH)₃.

2) How many grams of water are produced?

The chemical equation for this reaction is:

2Al(OH)₃ → Al₂O₃ + 3H₂O

So, we are going to use the following conversion factor to go from grams of Al(OH)₃ to grams of water:

$17,8 g Al(OH)_3* \frac{1 mol Al(OH)_3}{78 g Al(OH)_3}* \frac{3 moles H_2O}{2 moles Al(OH)_3}* \frac{18,015 g H_2O}{1 mol H_2O} \\ =6,17 g H_2O$

So, 6,17 grams of Water are produced.

Have a nice day!

5 0

4 years ago

Note that 5° of longitude or latitude equals about 563 km. Use this information and a ruler to create a scale to use with this m

Ann [662]

Answer:

A suitable scale, say 1 cm: 100 km can be used.

Explanation:

Thinking process:

The best way to approach the question will be to consider the requirements. This is a simple case of scaling. In order to achieve the objective, you need to choose a scale that does not consume space and that presents more details at the same time.

For instance, a scale of 1 cm to 100 km will give me lines which are a little more then 5 cm. This can be presented as:

1: 500

This is appreciable for the paper size.

8 0

4 years ago

How can the affect of heat on a reaction be determined?

Klio2033 [76]

The answer is d

Hope this helps

7 0

4 years ago

Which two properties are characterized of ionic compounds

djverab [1.8K]

They have high melting and boiling points and are hard and brittle

4 0

3 years ago

Aside from direct harm, what secondary issue do invasive species present?

solniwko [45]

Answer:

Explanation:

6 0

3 years ago