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Aloiza [94]
3 years ago
14

Someone pls help me With this I will make you as brain

Chemistry
1 answer:
RoseWind [281]3 years ago
5 0
The answer to that question is c
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A sample of hydrogen peroxide (H202) has 2.0 grams of hydrogen (H) and 32 grams of oxygen (O). What is the percent composition o
Leto [7]

Answer:

O = 94.117%

H = 5.882%

Explanation:

Hydrogen peroxide (H202) Molar Mass = 34g

OH 1-  17g/mol

H 1+ = 1g/mol

O = 16g/mol

2 Grams H

32 grams O

Percentage composition of  Hydrogen peroxide

O = 32/34 = 94.117%

H =    2/34 =   5.882%

3 0
4 years ago
A topaz crystal has an interplanar spacing (d) of 1.36 Å (1 Å =1×10^[−10] m). Calculate the wavelength of the X-ray that should
bija089 [108]

Answer:

7.0*10-11m or 70Å

Explanation:

From Bragg's equation, w=2dsinx/n

Since all the parameters are specified in the question, we can easily go ahead to obtain the wavelength but we must convert the spacing given in angstroms to meters using the conversion factor provided as shown in the solution below:

7 0
4 years ago
☆ Electrons are much more unpredicable<br> the what bour said
Veronika [31]

Answer:

this is very true

Explanation:

7 0
3 years ago
Explain the chemistry behind how increasing the amount of carbon dioxide in the atmosphere results in our oceans becoming more a
Nadya [2.5K]
The carbon atoms go into the ocean and make them more acidic CO2 plus water yay
4 0
3 years ago
The overall equation for the cellular respiration of glucose is C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy. C5H12O6 + 6 O2 → 5 CO2
olga55 [171]

Answer:

The answer to your question is: first option.

Explanation:

C6H12O6 + 6 O2 → 6 CO2 + 6 H2O + energy.  This option is correct, 1 molecule of glucose reacts with 6 molecules of oxygen and produces 6 molecules of carbon dioxide, six molecules of water and energy.

C5H12O6 + 6 O2 → 5 CO2 + 6 H2O + energy. This option is incorrect because glucose has 6 carbons not five.

5 CO2 + 6 H2O → C5H12O6 + 6 O2 + energy. This is the reaction of photosynthesis, it is the inverse reaction of cellular respiration.

C6H12O6 + energy → 6 CO2+ 6 H2O + 6 O2. This reaction does not exist.

4 0
4 years ago
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