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Sphinxa [80]
4 years ago
11

What does emulsion mean?

Chemistry
1 answer:
Tasya [4]4 years ago
8 0
1. a fine dispersion of minute droplets of one liquid in another in which it is not soluble or miscible.

2.a water-based paint used for walls.

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Due to the low specific heat capacity of water the temperature of water changes much more quickly than the temperature of
Sholpan [36]

This statement is <u>TRUE.</u>

Explanation:

Due to the high heat capacity of water, it takes much more energy to have a gram of water raised by one degree compared to one gram of land. This is why during a hot day, the ground gets hotter faster than the adjacent oceans or adjacent lakes. It also takes water to lose the same amount of energy to have its temperatures drop by one degree as compared to land. During the night, therefore, this is why adjacent water bodies remain relatively warmer than land.

8 0
3 years ago
Which two elements make up more than 90 of the dry weight of plants?
Temka [501]
The elements are oxygen and carbon
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3 years ago
5.<br> This ancient element symbol<br> means ...<br> A. copper<br> B. silver<br> c. gold<br> D. tin
earnstyle [38]

Answer:

A im pretty sure

Explanation:

4 0
3 years ago
Without constants you would not know which variable affected the
bonufazy [111]
Two independent variables could change at the same time, and you would not know which variable affected the dependent variable
4 0
3 years ago
A 9.03 g sample of magnesium reacts completely with 3.48 g of nitrogen to form a compound of
hjlf

Answer:

12.5 g

Explanation:

<em>12.5 g of the compound would be formed.</em>

First, let us look at the balanced equation of reaction.

3 Mg(s) + N_2(g) --> Mg_3N_2(s)

3 moles of Mg is required to react with 1 mole of N2 to produce 1 mole of product.

<em>Recall that: mole = mass/molar mass</em>

9.03 g of Mg = 9.03/24.3 = 0.3716 mole

3.48 g of N2 = 3.48/28 = 0.1243 mole

Mole ratio of Mg/N2 = 3:1

<em>Hence, there is no limiting reactant.</em>

3 moles of Mg is required for 1 mole of product.

0.3716 mole of Mg will therefore require:

       0.3716 x 1/3 = 0.1239 moles of product.

Molar mass of product Mg_3N_2 = 100.9 g/mol

Mass of 0.1239 mole Mg_3N_2 = mole x molar mass

                      = 0.1239 x 100.9 = 12.5 g

8 0
3 years ago
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