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Effectus [21]
3 years ago
13

Instrument used to measure atmospheric pressure

Chemistry
1 answer:
lisov135 [29]3 years ago
7 0

Answer: barometer

Explanation:

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Pls help, How is stoichiometry used to calculate amounts of substances in a chemical reaction?
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Answer:

Thus, to calculate the stoichiometry by mass, the number of molecules required for each reactant is expressed in moles and multiplied by the molar mass of each to give the mass of each reactant per mole of reaction. The mass ratios can be calculated by dividing each by the total in the whole reaction.

Explanation: Stoichiometry is the field of chemistry that is concerned with the relative quantities of reactants and products in chemical reactions. For any balanced chemical reaction, whole numbers (coefficients) are used to show the quantities (generally in moles ) of both the reactants and products.

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Which is a substance that is made up of only one type of atom?
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The answer is element
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Calculate the volume of mercury with a density of 14.6 g/mL and a mass of 1.00 g. Please include a numeric value only with signi
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This description needs a unit describing the system of measurement.

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2 years ago
Enter a balanced equation for the reaction between solid silicon dioxide and solid carbon that produces solid silicon carbide an
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Answer:

SiO2(s) + 3C(s)  ------> SiC(s) + 2CO(g)

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An arrow is always used to separate the reactants (left) and products (right).

A balanced equation must contain equal number of atoms in each side of the equation.

For example in the equation above, there are 1 atom of silicon appears on each side; 2 atoms of oxygen and three atoms of carbon.

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