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Anastasy [175]
3 years ago
5

The study of quantitative relationships that can be derived from chemical formulas and equations is known as ________________

Chemistry
1 answer:
Korvikt [17]3 years ago
4 0

Answer:

The answer to your question is Stoichiometry

Explanation:

Stoichiometry is a very important branch of inorganic chemistry that is used to calculate the amount of reactants or products necessary in a chemical reaction so we can get the highest yield.

In stoichiometry, we must know the balanced chemical reaction and we can work with the mass in grams or moles.

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A process uses 63,400 SCF/h of natural gas. What is the annual cost of natural gas used in the process?
artcher [175]

Explanation:

It is known that 1 SCF produces approximately 1000 Btu of thermal energy.

As it is not mentioned for how many hours the gas is used in this process. Therefore, we assume that the total number of hours natural gas used in this process are as follows.

        365 \times 24 = 8760 hours

Now, we will calculate the annual cost of natural gas used in the process as follows.

               8760 \times 63400

              = 555384000 SCF

Hence, annual cost of natural gas used in this process = loss of thermal energy

This will be equal to,  555384000 \times 1000

                           = 555,384,000,000 BTU

Thus, we can conclude that the annual cost of natural gas used in the process is 555,384,000,000 BTU.

4 0
4 years ago
When iron forms an ion with a plus three charge, what is the formula of a compound with iron (fe3+) and sulfur (s)?
andrew-mc [135]
Because the sulfur ion has a negative two charge, the formula would be Fe2S3
8 0
3 years ago
Which describes an atom that has fewer nuetrons than protons and more electtrons than protons?
lidiya [134]
An atom that has fewer neurons than protons and more electrons than protons is an ANION
5 0
3 years ago
At standard pressure, how do the boiling point and the freezing point of NaCl(aq) compare to the boiling point and the freezing
Vanyuwa [196]
I know that they are both lower
7 0
3 years ago
A student is performing an experiment to study thermodynamics. The student mixes citric acid and sodium bicarbonate in a calorim
seraphim [82]

Explanation :

In thermodynamics, a system is region or part of space which is being studied and observed while the surrounding is the region or space around the system which interacts with the system.

Here in the experiment ,system which is observed is reaction or changes when citric acid and sodium bicarbonate are mixed together. And the mixing is carried out in the calorimeter which serves as a surrounding around the system.

The reason behind the using the calorimeter is measure the energy change occurring during the reaction.

5 0
4 years ago
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