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3 years ago

How can the rate of a reaction be decreased?

Mathematics

2 answers:

Hoochie [10]3 years ago

5 0

Answer:

When you lower the temperature, the molecules are slower and collide less. That temperature drop lowers the rate of the reaction.

Studentka2010 [4]3 years ago

4 0

Answer:

If a reaction neeeds to be decreased it will be lowering the number of reactants

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Part B: If a cross section of the rectangular pyramid is cut perpendicular to the base, passing through the top vertex, what wou

Katyanochek1 [597]

Answer:

A triangle.

Step-by-step explanation:

The plane would pass through opposite sloping faces of the pyramid and through the base; the shape formed is a triangle.

6 0

3 years ago

At a shelter, 1% of the dogs are puppies. There are 8,900 dogs at the shelter. How many are puppies

JulijaS [17]

89 of the dogs are puppies

7 0

3 years ago

Help meeeeeeeeeeeeeeeeeeeeeee !!!!!

stiv31 [10]

Answer:

i think it is the 2nd one and the 5th one.

Step-by-step explanation:

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6 0

3 years ago

3( − 3) − 5 >− 3 − 6<br> (show your work)

egoroff_w [7]

Answer:

x > 3

Step-by-step explanation:

3x-9-5x > -3x - 6

3x-5x+3x > -6+9

x > 3

3 0

3 years ago

If it takes 6 hours for a plane to travel 720km with a tail wind and 8 hours to make the return trip with a head wind. Find the

denis-greek [22]

The speed of wind and plane are 105 kmph and 15 kmph respectively.

<u>Solution:</u>

Given, it takes 6 hours for a plane to travel 720 km with a tail wind and 8 hours to make the return trip with a head wind.

We have to find the air speed of the plane and speed of the wind.

Now, let the speed wind be "a" and speed of aeroplane be "b"

And, we know that, distance = speed x time.

$\text { Now, at tail wind } \rightarrow 720=(a+b) \times 6 \rightarrow a+b=\frac{720}{6} \rightarrow a+b=120 \rightarrow(1)$

Now at head wind → $720=(a-b) \times 8 \rightarrow a-b=\frac{720}{8} \rightarrow a-b=90 \rightarrow(2)$

So, solve (1) and (2) by addition

2a = 210

a = 105

substitute a value in (1) ⇒ 105 + b = 120

⇒ b = 120 – 105 ⇒ b = 15.

Here, relative speed of plane during tail wind is 120 kmph and during head wind is 90 kmph.

Hence, speed of wind and plane are 105 kmph and 15 kmph respectively.

6 0

3 years ago