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tigry1 [53]
3 years ago
15

Please help ASAP it is maybe easy for you!!!

Chemistry
1 answer:
Stells [14]3 years ago
4 0

Answer:

the answer is C, 30g

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For the chemical reaction , I identify the reactant and the products .
svetlana [45]

The reactant is Mercury (II) Oxide while the products are Mercury and Oxygen separately.

This is because the reactants are typically always on the left side of the yields symbol. In this decomposition reaction, it would still be the same as at the end of the reaction, there were to products produced: Mercury and Oxygen.

Products tend to always be on the right side of the yields symbol, they're what comes out of a reaction no matter what type.

Hope this helps!

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4 years ago
How many moles are in 3.0x10^24 molecules of water​
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<h3>I HOPE MY ANSWER HELPS YOU;))</h3>

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3 years ago
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Henry divides 1.060 g by 1.0 mL to find the density of his water sample. How many significant figures should he include in the
goldfiish [28.3K]

Answer:

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Symbol:

The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

Given data:

Mass = 1.060 g

Volume = 1.0 mL

Density in correct number of significant figures=  ?

Solution:

d = m/v

d = 1.060 g /  1.0 mL

d = 1.06 g/ mL

The density 1.06 g/mL contain three significant figures Henry should report it 1.1 g/mL having the only one digit after decimal because in given values 1.060 and 1.0 the least number of significant figures after the decimal is 1 that's why the final result must have one significant figure after  decimal.

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What is the def of chemical equation
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Chemical equations are equations that show that the chemical formulas of a substance that has been reacted and/or produced.
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Critical thinking requires that
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C. Information from a particular source only be verified the first time the source is used
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