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Delicious77 [7]
3 years ago
7

How to do limiting reagents for chemistry?

Chemistry
1 answer:
gavmur [86]3 years ago
4 0
Balance the chemical equation for the chemical reaction.
Convert the given information into moles.
Use stoichiometry for each individual reactant to find the mass of product produced.
The reactant that produces a lesser amount of product is the limiting reagent.
The reactant that produces a larger amount of product is the excess reagent.
To find the amount of remaining excess reactant, subtract the mass of excess reagent consumed from the total mass of excess reagent given.
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an atom has a charge of -3 in its orbitals which statement must be true in order for this atom to have no net charge
NISA [10]

Answer:

The atom must lose its three extra electrons to make the atom over all neutral.

Explanation:

The three subatomic particles construct an atom electron, proton and neutron. A neutral atom have equal number of proton and electron. In other words we can say that negative and positive charges are equal in magnitude and cancel the each other. For example if neutral atom has 6 protons than it must have 6 electrons.

If an atom have -3 charge it means three more electrons are added. In order to make the atom overall neutral three more electrons must be removed so that negative and positive charge becomes equal and cancel the effect of each other and make the atom neutral.

Electron:

The electron is subatomic particle that revolve around outside the nucleus and has negligible mass. It has a negative charge.

Symbol= e⁻

Mass= 9.10938356×10⁻³¹ Kg

It was discovered by j. j. Thomson in 1897 during the study of cathode ray properties.

Proton and neutron:

While neutron and proton are present inside the nucleus. Proton has positive charge while neutron is electrically neutral. Proton is discovered by Rutherford while neutron is discovered by James Chadwick in 1932.

Symbol of proton= P⁺

Symbol of neutron= n⁰

Mass of proton=1.672623×10⁻²⁷ Kg

Mass of neutron=1.674929×10⁻²⁷ Kg

7 0
3 years ago
348 g of water starting at 4.0°Celsius is heated until his temperature is 37°Celsius. Calculate the amount of heat energy needed
attashe74 [19]

Answer:

48.049 kJ or 48049 J

Explanation:

Hello again.

So we know the formula q = mc\Delta t. c is the heat capacity but this time, it is not given. However, water has a very well known heat capacity which is 4.184 J/(g°C). This is in fact the number we refer to a calorie which is the amount of energy you burn that can raise the temperature of 1g of water by 1°C. So, plugging in values, you get the above. But double check if I am wrong.

7 0
3 years ago
Whats an atomic nucleus for middle school
Vaselesa [24]

Answer:

C

Explanation:

The nucleus contains protons and neutrons, electrons are located in outer electron cloud.

3 0
3 years ago
Read 2 more answers
Which of the following laws is NOT explained by Dalton's atomic theory? A. the law of conservation of mass B. the periodic law C
34kurt
B. The periodic law

The periods that make up the periodic table were conceived by Mendeleev in 1869, not Dalton
4 0
2 years ago
Select the correct answer. in this equation, stands for carbon, stands for nitrogen, and stands for oxygen. which equation repre
Softa [21]

The chemical equation for the reaction between carbon oxide and nitrogen oxide is shown below:

CO + NO \rightarrow CO_2 + N_2

<h3>What is a chemical equation?</h3>

A chemical equation is an equation which uses the symbols of elements and compounds to represent the reactions which occur between elements or compounds to form products.

The chemical symbol for carbon is C, nitrogen is N, and oxygen is O.

The equation representing the reaction between carbon oxide and nitrogen oxide is shown below:

CO + NO \rightarrow CO_2 + N_2

Therefore, the chemical equation for the reaction between carbon oxide and nitrogen oxide represents the reaction to form carbon dioxide and nitrogen gas.

Learn more about chemical equation at: brainly.com/question/13182946

#SPJ4

4 0
2 years ago
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