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Snowcat [4.5K]
3 years ago
13

The term “3 FeCI 2” in a balanced equation says

Chemistry
1 answer:
irinina [24]3 years ago
4 0

Answer:

Extracytoplasmic-Function Sigma Factor of Escherichia coli

Explanation:

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What is the Ka of a 0.0796 M solution of nitrous acid (HNO2) with a pH of 2.95?
Vadim26 [7]

Answer:

Coefficient = 1.58

Exponent = - 5

Explanation:

pH = 2.95

Molar concentration = 0.0796M

Ka = [H+]^2 / [HA]

Ka = [H+]^2 / 0.0796

Therefore ;

[H+] = 10^-2.95

[H+] = 0.0011220 = 1.122 × 10^-3

Ka = [H+] / molar concentration

Ka = [1.122 × 10^-3]^2 / 0.0796

Ka = (1.258884 × 10^-6) / 0.0796

Ka = 15.815 × 10^-6

Ka = 1.58 × 10^-5

Coefficient = 1.58

Exponent = - 5

4 0
3 years ago
What is volume if the diameter of a sphere is 14cm<br>​
lisov135 [29]
Volume = (4/3) × π × r^3
R = 1/2 D
R = 7

V = 4/3 x π x 7^3

Exact Form:
1372 π/ 3

Decimal Form:
1436.75504024

6 0
3 years ago
What units are used to measure energy? A) volts B) angstroms C) centimeters D) joules
Usimov [2.4K]

Answer:

joules

Explanation:

it is the measurement of energy

7 0
3 years ago
4. How might the process of making paper from wood be changed to produce paper that is not acidic?​
kicyunya [14]

Answer:it is sterilized in the process

Explanation:

5 0
2 years ago
What is the speed of a car that traveled 40.2km in 2 hours?
PolarNik [594]

Answer:

20 km per hour

Explanation:

7 0
2 years ago
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