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mojhsa [17]
2 years ago
13

Choose all the right answers. Select three options.

Chemistry
2 answers:
DochEvi [55]2 years ago
5 0

Answer:

Okay

Explanation:

The ingredients of photosynthesis are:

Carbon dioxide

Water

Light

Hope this helps <3

arlik [135]2 years ago
3 0

Answer:

Carbon dioxide  

Water  

Light

Explanation:

It wouldn't be the other 2 because oxygen doesnt help, and plants release oxygen, not Carbon dioxide. Sugar also wouldn't be it because then the animals, like bees, might not like it and they might not eat off the plants like we need them to.

Hope this helps, and if u can brainliest plz :)

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A sample of chlorine gas is stored at a temperature of -25oC. If the chlorine gas's temperature is raised to 52oC, its volume in
aalyn [17]

Answer:

whats ur answer options

Explanation:

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its b

4 0
2 years ago
Ammonia (NH3) is widely used as a fertilizer
ratelena [41]

Answer:

82.28g

Explanation:

Given parameters:

Number of moles of hydrogen gas = 7.26 moles

Unknown:

Amount of ammonia produced = ?

Solution:

We have to write the balanced equation first.

              N₂    +   3H₂    →    2NH₃

Now, we work from the known to the unknown;

   

                  3 moles of H₂ will produce 2 moles of NH₃

                7.26 mole of H₂ will produce \frac{7.26 x 2}{3}  = 4.84 moles of NH₃

Molar mass of NH₃ = 14 + 3(1) = 17g/mol

Mass of NH₃  = number of moles  x molar mass = 4.84 x 17 = 82.28g

3 0
3 years ago
Stirring a liquid while you are mixing in another ingredient speeds up the rate of dissolving. Question 13 options: True False
brilliants [131]

Answer:

true

Explanation:

This is because it helps distribute the particles that are being dissolved. 

8 0
2 years ago
Read 2 more answers
Which of the following compounds will not produce O2 gas when it decomposes? (2 points)
Umnica [9.8K]
LiOH is the right answer.
6 0
2 years ago
During the titration of a weak acid and a strong base, you would expect the ph at the endpoint of titration to be ____.
riadik2000 [5.3K]

Answer is: b. more than 7.

The endpoint is the point at which the indicator changes colour in a colourimetric titration and that is point when titration must stop.

For example, basic salt sodium acetate CH₃COONa is formed from the reaction between weak acid (in this example acetic acid CH₃COOH) and strong base (in this example sodium acetate NaOH).

Balanced chemical reaction of acetic acid and sodium hydroxide:

CH₃COOH(aq) + NaOH(aq) → CH₃COONa(aq) + H₂O(l).

Neutralization is is reaction in which an acid (in this example vinegar or acetic acid CH₃COOH) and a base react quantitatively with each other.

8 0
3 years ago
Read 2 more answers
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