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Mice21 [21]
3 years ago
10

The energy stored in foods and fuels is?

Chemistry
1 answer:
elixir [45]3 years ago
5 0
Chemical potential energy
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Application of using in chemistry ?<br>please answer me​
djverab [1.8K]

Answer:

Applications of Chemistry:

Chemistry plays an important and useful role towards the development and growth of a number of industries. This includes industries like glass, cement, paper, textile, leather, dye etc. We also see huge applications of chemistry in industries like paints, pigments, petroleum, sugar, plastics, Pharmaceuticals.

4 0
3 years ago
Read 2 more answers
In order to produce CO2, a student put a sample of calcium carbonate in a flask and added hydrochloric acid using the following
Lady_Fox [76]

Answer:

82.9% Is the percent yield

Explanation:

First, we need to balance the equation.

Ca(CO3) + 2HCl → H2O + CO2 + CaCl2

Since the problem tells you that the excess reactant is Ca(CO3), we just need to Stoichiometry to solve for the theoretical yield.

\frac{200g HCl}{1} x \frac{1 mole HCl}{36.46gHCl} x \frac{1 mol CO2}{2molHCl} x \frac{44.01CO2}{1molCO2} =120.707 g (theoretical yield)

Take your actual yield of 100g, divide that by 120.707, then multiply that decimical by 100.

4 0
3 years ago
An important and convenient aspect of the metric system is that volume is derived from the basic length measurement. which pair
horrorfan [7]

the metric system is that volume is derived from the basic length measurement

mL and cm^3

What is metric system?

A system of measurements is called the metric system. It is employed in calculations and research across the globe. Here are some instances of measurements made with the metric system:

  • The unit used to measure lengths and distances is the meter. In daily life, we use this unit to measure things like the length of a piece of clothing, the distance from school to home, etc.
  • You may have noticed that the bag of your favorite food has a weight listed on it. 250 grams of potato chips, as an illustration. The unit of weight used here is the gram.
  • Similar to this, the bottle of your preferred beverage has a volume indication (for example, 250 milliliters of cola). The unit of volume used here is the milliliter.

To learn more about metric system

brainly.com/question/25966695

#SPJ4

5 0
2 years ago
What is the difference between test tube and boiling tube​
mixer [17]

Test tubes heat small amounts of liquids while boiling tube boils liquids

5 0
2 years ago
The atria beat prior to the ventricles. What purpose does this serve?
Zarrin [17]

Answer:

The atria and ventricles work together, alternately contracting and relaxing to pump blood through your heart. The electrical system of your heart is the power source that makes this possible.

Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart:

Explanation:

Hope this helps

4 0
3 years ago
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