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galina1969 [7]
2 years ago
12

CAN SOMEONE PLEASE HELP!

Chemistry
2 answers:
Paha777 [63]2 years ago
7 0
They break apart into ions as they dissolve into solutions
katrin [286]2 years ago
3 0

Answer:C

Explanation: they break apart into ions as they dissolve into solution this process is known as dissociation.

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An acid
Arte-miy333 [17]
An acid a. has a high pH in solution.
b. turns blue litmus paper to red.
c. releases hydroxyl ions in solution.
d. has more hydroxyl than hydrogen (or hydronium) ions.

<span>An acid </span>turns blue litmus paper to red. The answer is letter B.
4 0
3 years ago
8 points
butalik [34]

Answer:

1.3 meters

Explanation: use newton third law equation.

5 0
2 years ago
a sample of helium occupies a volume of 101.2 mL at a pressure of 790 mmHg. at what pressure would the volume be 120 mL?
AveGali [126]

Answer : The final pressure will be, 666.2 mmHg

Explanation :

Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

P\propto \frac{1}{V}

or,

P_1V_1=P_2V_2

where,

P_1 = initial pressure = 790 mmHg

P_2 = final pressure = ?

V_1 = initial volume = 101.2 mL

V_2 = final volume = 120 mL

Now put all the given values in the above equation, we get:

790mmHg\times 101.2mL=P_2\times 120mL

P_2=666.2mmHg

Therefore, the final pressure will be, 666.2 mmHg

6 0
2 years ago
Use your calculator to determine the answer to the following calculation:<br> 1.0×10−154.2×10−7
nlexa [21]
Use your scientific calculator
4 0
3 years ago
Read 2 more answers
Hiw many tons of sulfur are consumed in the production of 98 tons of sulfuric acid?
MariettaO [177]
Well as far as I know to make one ton of sulfuric acid takes 1,000,000 grams, so the answer should be 98,000,000 grams
5 0
3 years ago
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