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8090 [49]
3 years ago
9

ANSWER ASAP!!

Chemistry
2 answers:
xenn [34]3 years ago
6 0

Answer:

Acids sulfuric acid, hydrochloric acid. Bases ammonia water, sodium hydroxide.

Explanation:

Bas_tet [7]3 years ago
5 0

Answer:

Acids sulfuric acid, hydrochloric acid. Bases ammonia water, sodium hydroxide.

Explanation:

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A plane on the ground will weigh
sergejj [24]

Answer:

The weight of the plane is  (mass) x (acceleration of gravity).

Neither of these changes when the plane rises from the ground.

Its weight on the ground is equal to (the same as) its weight in the air.

5 0
3 years ago
What is the pH of a substance that has a hydrogen ion concentration of<br> 8.8x10^(-5) M? *
stealth61 [152]

Answer:

The pH of the substance is 4,06.

Explanation:

The pH indicates the acidity or basicity of a substance. PH values between 0 and less than 7 indicate acidic solutions, 7 neutral and greater than 7 to 14 basic. It is calculated as:

pH = -log (H +)

pH= -log (8.8x10^-5)

<em>pH=4,06</em>

5 0
3 years ago
what is the percent by mass concentration of a solution that contains 5.30 grams of salt dissolved in 19.7 g of water​
neonofarm [45]

Answer:

0.212

Explanation:

(5.30g) / (5.30g + 19.7g)

4 0
3 years ago
The rate of acceleration of an object is determined by the mass of the object and...
GREYUIT [131]

Answer:

a. forces acting on the object

7 0
2 years ago
Prove that PV = nRT.​
qaws [65]

Find your answer in the explanation below.

Explanation:

PV = nRT is called the ideal gas equation and its a combination of 3 laws; Charles' law, Boyle's law and Avogadro's law.

According to Boyle's law, at constant temperature, the volume of a gas is inversely proportional to the pressure. i.e V = 1/P

From, Charles' law, we have that volume is directly proportional to the absolute temperature of the gas at constant pressure. i.e V = T

Avogadro's law finally states that equal volume of all gases at the same temperature and pressure contain the same number of molecules. i.e V = n

Combining the 3 Laws together i.e equating volume in all 3 laws, we have

V = nT/P,

V = constant nT/P

(constant = general gas constant = R)

V = RnT/P

by bringing P to the LHS, we have,

PV = nRT.

Q.E.D

6 0
3 years ago
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