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Rufina [12.5K]
3 years ago
15

I need help on this question

Chemistry
2 answers:
IRINA_888 [86]3 years ago
6 0
I think positive feedback
Deffense [45]3 years ago
5 0
B. I’m sorry if I’m wrong ! Wasn’t sure about this question .
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Sulfur reacts with oxygen to form sulfur dioxide (SO2(g), mc010-1.jpgHf = –296.8 kJ/mol) according to the equation below. mc010-
BlackZzzverrR [31]
We want: 
S(s) + O2(g) --> SO2(g) 
So the following are the given:
1) S(s) + 3/2O2(g) --> SO3(g) ∆H = -395.8 kJ/mole 
2) 2SO2 + O2 --> 2SO3(g) ∆H = -198.2 kJ/mole 
Reverse Equation 2) and then  divide by 2 
SO3(g) --> SO2(s) + 1/2O2(g) ∆H = +99.1 kJ/mole 
Add Equation 1) 
S(s) + O2(g) --> SO2(g) ∆H = -296.7 kJ/mole
4 0
3 years ago
Read 2 more answers
The assumptions made in calculating the Michaelis-Menten Equation include
Sauron [17]

Answer:

c) that the formation and decomposition of ES is the same for a period of time

Explanation:

Michaelis-Menten equation :

This model  explain the approach to enzyme kinetics.The Equation shows how a Free enzyme E and Product P is formed depicting by Following equation.

                       E+S⇌ES→E+P

Left side represents

E =enzyme

S=substrate

ES=enzyme-substrate complex

Right side

E= Free enzyme

P= product

c) that the formation and decomposition of ES is the same for a period of time

3 0
4 years ago
Is the following a physical or chemical change?
tester [92]

Answer:

chemical change

Explanation:

electrolysis process by which electric current is passed through a substance to effect a chemical change.

6 0
3 years ago
If 133mL of a 1.2 M glucose solution is diluted to 41.0L, what is the molarity of the diluted solution?
WITCHER [35]

the formula we is as follows:-

M1V1= M2V2

where

M1=1.2

V1=0.133l

V2=41l

M2=?

1.2 × 0.133 = 41 × M2

0.1596 = 41 × M2

M2 = 0.15960/41

M2 = 0.0038926829

7 0
3 years ago
What kind of solution would have a Kb value much greater than 1?
Marta_Voda [28]

Answer:

B. a strongly basic solution

Explanation:

Kb is base dissociation constant, which indicates how completely a base dissociates into its component ions in water. The greater the Kb value, the greater the alkalinity of the solution and vice versa.

Therefore, a solution with a Kb value much greater than 1, indicates a strongly basic solution, while a solution with a Kb value less than 1, indicates a weakly basic solution.

8 0
3 years ago
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