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netineya [11]
3 years ago
15

True or False: Anushka set out to create something to measure

Chemistry
2 answers:
SpyIntel [72]3 years ago
7 0
I think is true not sure but it might be
dem82 [27]3 years ago
3 0
It’s true because it does help
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How to find nuetrons
ValentinkaMS [17]
To find the number of neutrons, subtract the number of protons from the mass number. number of neutrons=40−19=21.
3 0
2 years ago
What is the action force and the reaction force when you sit down on the chair
NISA [10]
The action force is you sitting on the chair and the reaction force is the gravity on the chair that is caused by you sitting on the chair
8 0
2 years ago
How many structures are possible for a square planar molecule with a formula of ax3y?
Galina-37 [17]

Answer:

Explanation:

Depending upon the relative arrangements of XandY X a n d Y , the square planar molecule AX3Y A X 3 Y shows only the following structure: Hence, only one structure is possible for a square planar molecule with a formula of AX3Y A X 3 Y .

5 0
2 years ago
The ph of a 0.55 m aqueous solution of hypobromous acid, hbro, at 25.0°c is 4.48. what is the value of ka for hbro?
elena-14-01-66 [18.8K]

The solution would be like this for this specific problem:

Given:

 

pH of a 0.55 M hypobromous acid (HBrO) at 25.0 °C =  4.48

 

[H+] = 10^-4.48 = 3.31 x 10^-5 M = [BrO-] <span>

Ka = (3.31 x 10^-5)^2 / 0.55 = 2 x 10^-9</span>

 

To add, Hypobromous Acid does not require acid adjustment, which is necessary for chlorine-based product and is stable and effective in pH ranges of 5-9.<span>

</span>Hypobromous Acid combines with organic compounds to form a bromamine. Chlorine also combines with the same organic compounds to form a chloramine. <span>It is also one of the least expensive intervention antimicrobial compounds available.</span>

8 0
3 years ago
Read 2 more answers
One of the main advantages of Hydrogen as a fuel is that:
weqwewe [10]

Answer:

The correct answer is option D.

Explanation:

A fuel cell is defined as the electrochemical cell which converts the chemical energy of a fuel (often used hydrogen) and an oxidizing agent (often used oxygen) into electrical energy via a pair of redox reactions.

The reactions which occur in hydrogen-oxygen fuel cell are:

At cathode:  H_2+2OH^-\rightarrow 2H_2O+2e^-

At anode:  \frac{1}{2}O_2+H_2O+2e^-\rightarrow 2OH^-

As we can see that reaction of hydrogen gas with oxygen gas gives us the water as a product which can be used for other things and it also doesn't pollutes environment.

6 0
3 years ago
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