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kaheart [24]
3 years ago
14

What is the chemical formula for dihydrogen monoxide

Chemistry
1 answer:
RideAnS [48]3 years ago
4 0

i asked my teacher and checked multiple sources seems to be H20

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The spontaneous reaction that occurs when the cell in the picture operates is as follows: 2Ag+ + Cd(s) à 2 Ag(s) + Cd2+ (A) Volt
murzikaleks [220]

The question is incomplete, the remaining part of the question is

Which of the above occurs for each of the following circumstances?

A 50-milliliter sample of a 2-molar Cd(NO3)2 solution is added to the left beaker.

Answer:

Voltage decreases but remains > zero.

Explanation:

Given the balanced redox reaction equation:

2Ag^+(aq) + Cd(s) ---------------> 2 Ag(s) + Cd^2+(aq)

Concentration affects the cell voltage according to Nernst equation. Change in concentration must lead to a change in cell Voltage.

As the concentration of the Cd(NO3)2 solution is increased, voltage decreases because of the increase in the concentration values but voltages remains above zero.

6 0
4 years ago
Predict the element that will have the highest mass percent composition in each compound without doing any calculations. Identif
Andrej [43]

Answer:

Carbon has the highest mass percent

Explanation:

Step 1: Data given

Predict the element that will have the highest mass percent composition in each compound without doing any calculations.

For C3H6O, carbon will have the highest mass percent. The molar mass of of Oxygen and carbon are more or less the same. But we have 3x more Carbon than oxygen.

Identify the element that has the highest mass percent composition in C3H6O .

atomic mass C = 12.01 g/mol

atomic mass O = 16.0 g/mol

atomic mass H = 1.01 g/mol

molar mass C3H6O = 58.08 g/mol

%C = (3*12.01 / 58.08) * 100 %

%C = 62.04%

%O = (15.99 /58.08) *100%

%O = 27.53 %

%H = (6*1.01 / 58.08) * 100%

%H = 10.43

Carbon has the highest mass percent

6 0
3 years ago
Given the following, what is the equilibrium constant for the reaction: 2 A + 3 D â 3 C + 2 B? I: 2 A â 2 B, K = 1x105 II: C â D
Anastasy [175]

Answer:

K= 1.25*10⁻⁵  (any of the options) , but if the problem's statement is wrong and D → C, K₂ =  [C]/[D] = 2*10³ then K= 8*10¹⁴ (option F)

Explanation:

for

2 A + 3 D → 3 C + 2 B

K= [C]³*[B]² /([A]²*[D]³) = ([B]/[A])²* ([C][/D])³

where

2 A → 2 B , K₁ = [B]²/[A]² = ([B]/[A])² =1*10⁵

and

C → D, K₂ =  [D]/[C] = 2*10³

therefore

K=K₁* (1/K₂)³=K₁/K₂³ = 1*10⁵ / (2*10³)³ = 1.25*10⁻⁵

K= 1.25*10⁻⁵

but if the problem's statement is wrong and

D → C, K₂ =  [C]/[D] = 2*10³

then

K=K₁*K₂³=K₁*K₂³ = 1*10⁵ * (2*10³)³ =8*10¹⁴

K= 8*10¹⁴

6 0
4 years ago
Calculate the percent by mass of each element in LiClO2.<br><br> % Li: <br><br> % Cl: <br><br> % O:
Rzqust [24]

ok done. Thank to me :>

3 0
3 years ago
Read 2 more answers
A lack of sewage structures in overcrowded cities may lead to __________.
dangina [55]
A lack of swage structures in overcrowded cities will lead to poor public health, the less structures to hold the mass of peoples sewage will have bacteria in the air causing bacterial infections.   <span />
6 0
4 years ago
Read 2 more answers
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