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11111nata11111 [884]
3 years ago
6

Will upvote

Chemistry
1 answer:
damaskus [11]3 years ago
6 0
I believe the correct answer from the choices listed above is the third option. A ball falling through the air has <span>both potential energy because it still has a distance to move before it hits the ground and kinetic energy because it is moving. Hope this answers the question. Have a nice day.</span>
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How much does the universe(galaxy) weigh?
AfilCa [17]

Answer:

(before researching)it weighs a positive infinity ∞

Explanation:

(after researching)Our galaxy weighs in at around 10^42 kilograms and the entire visible universe reaches something like 10^53. You can try to convert those figures to something a little more familiar, such as the weight of a blue whale, by subtracting 5 from any of those exponents.

hope this helps have a great day also brainly would be very much appreciated

and here's a meme

7 0
2 years ago
Read 2 more answers
If an acid has a Ka of 4.3 × 10-7 and a base has a Kb of 5.6 × 10-4, then what will be true about the salt produced? A. The salt
blsea [12.9K]

If an acid has a Ka of 4.3 × 10-⁷ and a base has a Kb of 5.6 × 10-⁴, then the true statement about the salt produced is that the salt would decrease the pH of the solution.

<h3>What is acid and base constant?</h3>

An acid dissociation constant, Kₐ, is a quantitative measure of the strength of an acid in solution while Kb indicates the high level of dissociation of a strong base.

According to this question, an acid has a Ka of 4.3 × 10-⁷ and a base has a Kb of 5.6 × 10-⁴. This shows that the strength of the base is higher than that of the acid.

Therefore, if an acid has a Ka of 4.3 × 10-⁷ and a base has a Kb of 5.6 × 10-⁴, then the true statement about the salt produced is that the salt would decrease the pH of the solution.

Learn more about Ka at: brainly.com/question/16035742

#SPJ1

7 0
2 years ago
What does " a man's home is his castle " mean
slega [8]
It means that someone's home is more than just a home to someone much more meaningful and precious like a castle
8 0
3 years ago
Which statement describes a catalyst?​
Mrac [35]

Answer:

A catalyst is a substance which increases the rate of a chemical reaction without itself getting consumed. It is known that all catalysts are enzymes but all enzymes are not catalysts.

Explanation:

4 0
2 years ago
Find the final pressure of gas at 150k. If the pressure of the gas is 210 kPa at 120 K.
katrin [286]
Since the volume is constant,
p1/t = p2/ t
210/120 = p2/150
p2= 262.5kpa
4 0
3 years ago
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