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Fed [463]
2 years ago
10

if you have a bf and he has a crush on another girl and that girl likes him to. is he cheating on you

Chemistry
2 answers:
olya-2409 [2.1K]2 years ago
3 0

Answer:

techinically no. unless he does something with her. or kisses her. but i would break up with him if he doesn't like you/not interested. i am so sorry this is happening to you

Explanation:

dimaraw [331]2 years ago
3 0

Answer:

Um not really just know that "one good girl is worth a thousand girls periodt"

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what object experiences a frequency equal to its natural frequency _______ is said to have occurred. 1. resonance 2. frequency 3
Talja [164]
Amplitude is the awnser glad I could help you
8 0
2 years ago
When you drop an object, slows it down
sashaice [31]
Gravity slows it down dramatically so that is why it slows down 
7 0
3 years ago
Read 2 more answers
175.24g of strontium equals how many moles
OverLord2011 [107]
Using dimensional analysis, we can find the moles of strontium by comparing the mass of strontium to it's atomic mass.
You can find the atomic mass of Sr on the periodic table:
Atomic Mass Sr = 87.62g/mol

In case you are not familiar, dimensional analysis works like this:
(what we know) x (conversion factor) = what we are looking for

The conversion factor compares the units of what we know to the units of what we are looking for. In this case, the conversion factor is:
1 mol/87.62g

The important thing to note about the conversion factor is that you want to be able to cancel out the units of your given measurement (in this case, it is the mass)

So, our full solution will be:
moles Sr = (175.24 g)x(1 mol/87.62 g)
(cancel out the mass units)
moles Sr = 175.24 x 1 mol/87.62
= 2.00 mol Sr

Hope this helped you!
4 0
3 years ago
Write a short definition of hydrochloric acid​
Stella [2.4K]

Answer:

Explanation:

a strongly acidic solution of the gas hydrogen chloride in water

3 0
2 years ago
Metal carbonates decompose to the metal oxide and CO2 on heating according to this general equation. Mx(CO3)is) → My(s) + yCO2(g
Mrrafil [7]

Answer:

84.11 g/mol

Explanation:

A metal from group 2A will form the cation M²⁺, and the ion carbonate is CO₃²⁻, so the metal carbonate must be: MCO₃, and the reaction:

MCO₃(s) → MO(s) + CO₂(g)

For the stoichiometry of the reaction, 1 mol of MCO₃(s) will produce 1 mol of CO₂. Using the ideal gas law, it's possible to calculate the number of moles of CO₂:

PV = nRT , where P is the pressure, V is the volume(0.285 L), R is the gas constant (62.36 mmHg*L/mol*K), n is the number of moles, and T is the temperature (25 + 273 = 298 K).

69.8*0.285 = n*62.36*298

18583.28n = 19.893

n = 0.00107 mol

So, the number of moles of the metal carbonate is 0.00107. The molar mass is the mass divided by the number of moles:

0.0900/0.00107 = 84.11 g/mol

4 0
3 years ago
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