Gravity that exists between two objects exists as a small force unless:

2 answers:

4 0

I believe that the answer to this is D. If not just think about a random object with Earth's surface/atmosphere as an example

Vikentia [17]3 years ago

3 0

Your answer is A I know this stuff

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When 2.50 mol of mg3n2 are allowed to react how many moles of h2o also react?

spin [16.1K]

Notice that in the equation given, there is 1 mol of Mg3N2 and 6 mol of H2O. Consequently, the question is requesting, if we took 2.5 mol of Mg3N2, how many mol of H2O would be essential to complete a similar reaction -- in quintessence, multiplying everything by 2.5:

the solution would be: 6 * 2.5 = 15 mol

7 0

4 years ago

A certain weak acid, HA, has a Ka value of 2.6×10−7. Calculate the percent ionization of HA in a 0.10 M solution.

Andrej [43]

Answer:

The percent ionization is 0,16%

Explanation:

The percent ionization is defined as the number of ions that exist in a substance.

$PI=\frac{[A-]}{[HA]} x100$