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Minchanka [31]
3 years ago
5

Soonnnn pleaseeee Please answer the question Super fasttt!!EXTRA POINTS! AND brainliest!

Chemistry
1 answer:
Likurg_2 [28]3 years ago
5 0

Answer: A

Explanation:

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The process of elemental stratification relies on the diffusion velocity, which causes the migration of the different chemical elements within stars.

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What is a possible charge of an anion?<br><br> +3<br><br><br> -2<br><br><br> 0<br><br><br> +1
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An Anion is negativity charged.
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Find a positive angle less than 360 Degrees that is coterminal with the given angle 455 degrees
irga5000 [103]

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375 degrees

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4 years ago
2 H2 + 2 NO → N2 + 2 H2O the observed rate expression, under some conditions, is: rate = k[NO]2 Which of the following mechanism
guapka [62]

Explanation:

Rate law is defined as the rate of a reaction is directly proportional to the concentration of reactants at constant temperature.

               Rate \propto [\text{concentration of reactant}]^{n}

                                  = k [\text{concentration of reactant}]^{n}

where,     k = rate constant

                n = order of reaction

For the given reaction, 2H_{2} + 2NO \rightarrow N_{2} + 2H_{2}O

Hence, its rate will be as follows.

                   Rate = k[H_{2}][NO]

Also, it is known that slowest step in a chemical reaction is the rate determining step.

Hence, for the given rate law correct reaction is as follows.

Step 1 : H_{2} + NO \rightarrow N + H_{2}O (slow)

Balancing this equation it becomes H_{2} + 2NO \rightarrow N_{2}O + H_{2}O (slow)

Step 2: N_{2}O + H_{2} \rightarrow N_{2} + H_{2}O (fast)

4 0
4 years ago
What is the empirical formula for a compound that contains 38.77% Cl and 61.23% O?
Leno4ka [110]
W(Cl)=0.3877
w(O)=0.6123
M(Cl)=35.5 g/mol
M(O)=16.0 g/mol

ClₐOₓ
M(ClₐOₓ)=35.5a+16.0x

w(Cl)=35.5a/(35.5a+16.0x)
w(O)=16.0x/(35.5a+16.0x)

solve a system of two equations with two unknowns
35.5a/(35.5a+16.0x)=0.3877
16.0x/(35.5a+16.0x)=0.6123

a=2
x=7

Cl₂O₇ is the empirical formula
3 0
4 years ago
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