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lutik1710 [3]
3 years ago
15

Hclo is a weak acid (ka = 4.0 × 10–8) and so the salt naclo acts as a weak base. what is the ph of a solution that is 0.089 m in

naclo at 25 °c?
Chemistry
1 answer:
Anuta_ua [19.1K]3 years ago
6 0

Answer: 14

Explanation:

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11. Sound's loudness (or volume) is measured in decisels,<br> A True<br> B. False
bagirrra123 [75]

Answer:

sound loudness is measured in decibels, A. True

7 0
3 years ago
The combustion reaction for methane is shown below:
horrorfan [7]

Answer:

P =  14.1 atm    

Explanation:

Given data:

Mass of methane = 64 g

pressure exerted by water vapors = ?

Volume of engine = 24.0 L

Temperature = 515 K

Solution:

Chemical equation:

CH₄ + 2O₂      →      CO₂ + 2H₂O + energy

Number of moles of methane:

Number of moles = mass / molar mass

number of moles = 64 g/ 16 g/mol

Number of moles = 4 mol

Now we will compare the moles of water vapors and methane.

              CH₄          :            H₂O  

                 1            :             2

                 4            :         2/1×4 = 8 mol

Pressure of water vapors:

PV = nRT

R = general gas constant = 0.0821 atm.L/mol.K

P = 8 mol × 0.0821 atm.L/mol.K× 515 K / 24.0 L

P = 338.25 atm.L/ /  24.0 L

P =  14.1 atm      

4 0
3 years ago
Which of the following objects would be the best conductor of electricity?
earnstyle [38]

Answer:

A safety pin

Explanation:

Rubber, plastic and food are all non-metals, meaning they are poor conductors of heat and electricity. However, safety pins are made up of steel - a metal - making them good conductors.

4 0
2 years ago
What is the molar mass of C4H2?
fenix001 [56]

Answer:

(12×4)+(1×2)=50

Explanation:

mass of Carbon is 12....mass of hydrogen is 1

6 0
3 years ago
Balance the equations by inserting coefficients as needed.
ASHA 777 [7]

Answer:

1.     CaCO3 + 2HCl → CaCl2 + H2O + CO2

2.    C6H12O2 + 8O2 → 6CO2 + 6H2O

Explanation:

7 0
3 years ago
Read 2 more answers
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