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never [62]
3 years ago
11

PLS HELP!!!!! A 5 kg object is accelerating at 3 m/s² while being pulled. What is the magnitude of the force causing this accele

ration? A. 0.6 N B. 1.7N C. 2 N D. 15 N
Chemistry
1 answer:
strojnjashka [21]3 years ago
3 0

B. 1.7N i think hope this helps

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Given that a for HBrO is 2. 8×10^−9 at 25°C. What is the value of b for BrO− at 25°C?
lara [203]

If Ka for HBrO is 2. 8×10^−9 at 25°C, then the value of Kb for BrO− at 25°C is 3.5× 10^(-6).

<h3>What is base dissociation constant? </h3>

The base dissociation constant (Kb) is defined as the measurement of the ions which base can dissociate or dissolve in the aqueous solution. The greater the value of base dissociation constant greater will be its basicity an strength.

The dissociation reaction of hydrogen cyanide can be given as

HCN --- (H+) + (CN-)

Given,

The value of Ka for HCN is 2.8× 10^(-9)

The correlation between base dissociation constant and acid dissociation constant is

Kw = Ka × Kb

Kw = 10^(-14)

Substituting values of Ka and Kw,

Kb = 10^(-14) /{2.8×10^(-9) }

= 3.5× 10^(-6)

Thus, we find that if Ka for HBrO is 2. 8×10^−9 at 25°C, then the value of Kb for BrO− at 25°C is 3.5× 10^(-6).

DISCLAIMER: The above question have mistake. The correct question is given as

Question:

Given that Ka for HBrO is 2. 8×10^−9 at 25°C. What is the value of Kb for BrO− at 25°C?

learn more about base dissociation constant:

brainly.com/question/9234362

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7 0
1 year ago
20 ml each of oxygen and methane are allowed to react when the reaction is completed.  The system now contains
Mekhanik [1.2K]

Answer:

CH4(g)+2O2(g)→CO2(g)+2H2O(l).

5 0
3 years ago
Help Please! Thanks!
soldier1979 [14.2K]

Answer:

a

Explanation:

it would be the most reasonable

4 0
2 years ago
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DochEvi [55]

Answer:

54 G

Explanation:

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3 years ago
Anyone want to talk ??​
3241004551 [841]
No is the answer your welcome well I don’t.
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1 year ago
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