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mojhsa [17]
3 years ago
12

If you burn a citronella candle near your picnic will it keep mosquitoes away

Chemistry
2 answers:
AlladinOne [14]3 years ago
6 0

Answer:

true

Explanation:

professor190 [17]3 years ago
3 0

Answer:

Thanks!!!

Explanation:

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Ethanol is a common laboratory solvent and has a density of 0.789 g/ml. What is the mass, in pounds, of 39.0 gallons of ethanol?
USPshnik [31]

Mass = 39.0 gal × (3.785 L/1 gal) × (1000 mL/1 L) × (0.789 g/1 mL) × (1 lb/453.6 g) = 257 lb

3 0
3 years ago
Calculate the number of moles 3.16 g of KMnO4 32.33 g of K2CrO4 100 g of KHCO3
kvasek [131]
The number of moles:
3.16g of KMnO_{4}
1 mole of KMnO_{4}- 158g.
x moles of KMnO_{4}- 3.16g.
x=\frac{1\ mole*3.16g}{158g}=\frac{3.16}{158}=0.02\ mole

The number of moles:
32.33g of K_{2}CrO_{4}
1 mole of K_{2}CrO_{4}- 194g.
x moles of K_{2}CrO_{4}- 32.33g.
x=\frac{1\ mole*32.33g}{194g}=\frac{32.33}{194}=0.17\ mole

The number of moles:
100g of KHCO_{3}
1 mole of KHCO_{3}- 100.1g.
x moles of KHCO_{3}- 100g.
x=\frac{1\ mole*100g}{100.1g}=\frac{100}{100.1}=0.999\ mole


Greetings, 
n00nst00p :)
3 0
3 years ago
Lemonade consists of several substances that are not chemically combined so lemonade is classified as a
12345 [234]
Lemonade is a mixture because sugar, water and lemons are combined together without a chemical reaction taking place.
8 0
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___ is the sacrifice involved in making one decision over another
Scilla [17]
Opportunity cost

Opportunity cost is the benefit, profit or value that could have been received or obtained but instead given up in favor of another alternative or course of action. Every situation has several alternatives and every resource has several alternative uses as well. Thus, every decision comes with it an opportunity cost. <span>
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What is the formula of the compound Pentasilicon trioxide ?
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hope its helps you.

keep smiling be happy stay safe

5 0
3 years ago
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