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Brilliant_brown [7]
3 years ago
5

*CHEMISTRY*

Chemistry
2 answers:
Eduardwww [97]3 years ago
6 0

Answer:i

i believe its contraction but i might be wrong

Explanation:

kirill [66]3 years ago
6 0

Answer:

It might be expansion, sorry if it's wrong.

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I) If 8.87g of As2O3 is used in the reaction and 5.33 g of As is produced, what is the percent
Diano4ka-milaya [45]

Answer:

79.3%

Explanation:

Percent yield = 5.33g/6.72g x 100% = 79.3%

7 0
2 years ago
What is the pH of a solution when the [OH - ] = 1 x 10 -3
dsp73

Answer:

The pH is 11

Explanation:

Because pH + pOH = 14

and pOH = - log [OH⁻] = - log (1 x 10⁻³) = 3

we can now calculate pH by manipulating equation one above

pH = 14 - pOH = 14 - 3 = 11

Thus the pH of the solution is 11

8 0
3 years ago
Why is the Hubble telescope located in space? *
dolphi86 [110]

Answer: I’m not one hundred percent sure, but based off of what I know, I believe it is most likely “So it’s images aren’t distorted by the Earth’s atmosphere.”

Explanation:

7 0
2 years ago
Which of these equations best summarizes photosynthesis?
elena-14-01-66 [18.8K]

Answer: C

Explanation:

                                              Sunlight

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                                            Chlorophyll

Carbon(IV)oxide   Water                               Glucose              Oxygen

7 0
3 years ago
A salt shaker filled with 17.0g sodium chloride contain how many moles?
kati45 [8]
The molecular formula for sodium chloride is NaCl. The sum of their atomic weights is (22.99 grams/mole + 35.45 grams/mole) = 58.44 grams/mole
take (17.0 grams)/(58.44 grams/mole), which equals 0.291 moles of NaCl.

8 0
3 years ago
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