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Semenov [28]
2 years ago
13

I need help with stoichiometry

Chemistry
1 answer:
shutvik [7]2 years ago
4 0
Um I don’t know what stoichiometry is. So I can’t help I am sorry wish I could
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A substance that increases the concentration of hydroxide ions in aqueous solution.
stepladder [879]
The answer that complete the sentence is "Arrhenius base".

The complete sentence is: A substance that increases the concentration of hydroxide ions in aqueous solution is an Arrhenius base.

Arrhenius' acid and base model says that an acid is a substance that contains hydrogen and ionizes in aqueous solution producing protons (H+) and a base is a substance that cointains hydroxide and release it in aqueous solution.
5 0
3 years ago
What is the oxidation state for the common action of lithium?
forsale [732]

Answer:

atomic number 3

boiling point 1,342 °C (2,448 °F)

specific gravity 0.534 at 20 °C (68 °F)

oxidation state +1

electron configuration 2-1 or 1s22s1

Explanation:

i think this Is right 99% sure

6 0
3 years ago
A cylinder is filled with 10.0L of gas and a piston is put into it. The initial pressure of the gas is measured to be 96.0kPa. T
Norma-Jean [14]

Answer:

The final pressure of the gas is:- 21.3 kPa

Explanation:

Using Boyle's law  

{P_1}\times {V_1}={P_2}\times {V_2}

Given ,  

V₁ = 10.0 L

V₂ = 45.0 L

P₁ = 96.0 kPa

P₂ = ?

Using above equation as:

{P_1}\times {V_1}={P_2}\times {V_2}

{96.0\ kPa}\times {10.0\ L}={P_2}\times {45.0\ L}

{P_2}=\frac {{96.0}\times {10.0}}{45.0}\ kPa

{P_2}=21.3\ kPa

The final pressure of the gas is:- 21.3 kPa

3 0
3 years ago
Bonds payable issued with collateral are called _______ bonds.
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The answer to your question is letter D. Secured.

8 0
3 years ago
Four moles of Argon gas are at a pressure of 1.90 atm, and the temperature is 50 degrees C. What is the volume of the gas?
soldier1979 [14.2K]
N = 4 moles of Ar2, P = 1.90 atm, V = ?
T = 50C = 273 + 50K = 323K
PV = nRT --> V = nRT/P
V = (4)(.0821)(323)/1.90
V = 106.07/ 1.9
V = 55.8 L
4 0
2 years ago
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