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ollegr [7]
3 years ago
12

Variable that stays the same

Chemistry
1 answer:
Evgesh-ka [11]3 years ago
7 0
Control variable mi amigo
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KOH+HBr-KBr+H2O which is the base in this reaction​
krek1111 [17]

Answer:

KOH is the base in this reaction

Explanation:

HBr is the acid in this reaction.

Hope this help you. Have a nice day !

8 0
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Combined gas law problem: a balloon is filled with 500.0 mL of helium at a temperature of 27 degrees Celsius and 755 mmHg. As th
Papessa [141]
The statement of the combined gas law for a fixed amount of gas is,
PV/T = constant
Here, the units of pressure and volume must be consistent and the temperature must be the absolute temperature (Kelvin or Rankine).
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Using the equation:
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3 years ago
Find the mass of 0.456 mol of Ca(OH)2 <br> Please if you can show the work.
m_a_m_a [10]

Answer:

Ca(OH)2 molecular weight. Molar mass of Ca(OH)2 = 74.09268 g/mol. This compound is also known as Calcium Hydroxide. Convert grams Ca(OH)2 to moles or moles Ca(OH)2 to grams. Molecular weight calculation: 40.078 + (15.9994 + 1.00794)*2 ››

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The answer is 3.592?

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