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3 years ago

What is the price of 1 gallon of gasoline in U.S. dollars in France?

Chemistry

1 answer:

Tasya [4]3 years ago

7 0

The price of 1 gallon of gasoline in U.S. dollars in France is $4.87

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Given that 25.0 mL of mercury has a mass of 340.0 g, calculate (a) the density of mercury and (b) the mass of 120.0 mL of mercur

natita [175]

Answer :

(a) The density of mercury is, 13.6 g/ml

(b) The mass of 120.0 ml of mercury is, 1632 grams

Explanation :

(a) Now we have to calculate the density of mercury.

<u>Given :</u>

Volume of mercury = 25.0 ml

Mass of mercury = 340.0 g

Formula used :

$\text{Density of mercury}=\frac{\text{Mass of mercury}}{\text{Volume of mercury}}$

$\text{Density of mercury}=\frac{340.0g}{25.0ml}=13.6g/ml$

Therefore, the density of mercury is, 13.6 g/ml

(b) Now we have to calculate the mass of 120.0 ml of mercury.

As, 25.0 ml of mercury has mass = 340.0 g

So, 120.0 ml of mercury has mass = $\frac{120.0ml}{25.0ml}\times 340.0g=1632g$

Therefore, the mass of 120.0 ml of mercury is, 1632 grams

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3 years ago

What is Behavioral Adaption!!!!!!!<br> I need a definition quick!!!!

tia_tia [17]

Behavioral Adaptation is something that is natural in animals that are used for survival. Example: Birds Migrating north during the winter.

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3 years ago

What tool measures mass?

Tatiana [17]

Answer:

balances and scales, measurement transducers, vibrating tube sensors, Newtonian mass measurement devices and the use of gravitational interaction between objects.

Explanation:

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3 years ago

The polymerization of amino acids produces:

Delicious77 [7]

Answer:

Proteins

Explanation:

Polymerization, in chemistry, is the chemical combination of monomeric units to form a polymer. Polymers are large molecules made up of smaller units called monomers. Amino acids are the monomeric units of proteins i.e. A protein is made up of of many amino acids joined together.

Therefore, the chemical combination of amino acids will form a peptide bond between the carbon atom of the acid group and nitrogen atom of the amine group in the structure of the amino acids. This is done by the loss of a water molecule. The continuous repetition of this polymerization process will form a chain called polypeptide, which is the PROTEIN.

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3 years ago

How many grams of O are in 905 grams of Na2O?

galben [10]

Answer:

301.7g

Explanation:

So there's 1 out of 3 are Oxygen.

905 / 3 = 301.7

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3 years ago