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Crazy boy [7]
3 years ago
5

Why do cars need a cooling system in conjunction with the engine?

Chemistry
1 answer:
stira [4]3 years ago
3 0
A.
___________________
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Specific gravity is a number representing the ratio of a mineral's weight to the weight of an equal volume of water. TRUE FALSE
777dan777 [17]

Answer: True

Explanation: Specific Gravity of a body, also called its Relative Density, is the ratio of the density of that body to the density of a reference material (usually water).

With the Mathematics done right, it is evident that the specific gravity of a body would be equal to the ratio of mass/weight of the body to the mass/weight of an equal volume of water.

S.G = (Density of body)/(Density of water)

Density of Body = (mass/weight of body)/(volume of body)

Density of water = (mass/weight of water)/(volume of water)

If volume of Body = Volume of water, then,

S.G = (Mass/Weight of body)/(Mass/Weight of equal volume of water)

Proved!!

3 0
3 years ago
If I add water to 100 mL of a 0.15 M NaOH solution until the final volume is 250 mL, what will
kkurt [141]

Answer:B

B

Explanation:B

5 0
3 years ago
Which best describes a difference between prokaryotic and eukaryotic cells
tekilochka [14]

Answer:Please find the attachment

Explanation:

7 0
3 years ago
How many grams are in 3.21 x 1024 molecules of potassium hydroxide?
MakcuM [25]

Answer:

3287.04 grams

Explanation:

3 0
3 years ago
Enter a balanced equation for the reaction between solid silicon dioxide and solid carbon that produces solid silicon carbide an
givi [52]

Answer:

SiO2(s) + 3C(s)  ------> SiC(s) + 2CO(g)

Explanation:

The formula for silicon oxide is SiO2 and carbon is C. silicon carbide is SiC

and carbon monoxide is CO.

An arrow is always used to separate the reactants (left) and products (right).

A balanced equation must contain equal number of atoms in each side of the equation.

For example in the equation above, there are 1 atom of silicon appears on each side; 2 atoms of oxygen and three atoms of carbon.

3 0
3 years ago
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