3 years ago

100 points!! Brainliest if correct!!

Chemistry

2 answers:

Zielflug [23.3K]3 years ago

7 0

u heat things up to make them react faster so ans is A. adding heat energy to the reactants

natta225 [31]3 years ago

4 0

B will make little difference to reaction rate while C and D will reduce the reaction rate. So the answer is A. adding heat energy to the reactants .

You might be interested in

Which of the following is true about fossils?

Agata [3.3K]

Answer:C

Explanation:

7 0

2 years ago

Read 2 more answers

When you are balancing chemical reactions ('equations'), what must you never touch?

timofeeve [1]

You should never touch the subscripts, as that will change the composition. Hope I helped!

8 0

3 years ago

Read 2 more answers

If z = 4.0 and y = 9.6, what is the value of x?

krok68 [10]

Answer:

The value of x will be "1.4".

Explanation:

The given values are:

y = 9.6

z = 4.0

As we know,

The relation between x, y and z is:

⇒ $z = \frac{y}{x}$

and,

⇒ $x=\frac{y}{z}$

On substituting the given values, we get

⇒ $=\frac{5.6}{4.0}$

⇒ $=1.4$

8 0

3 years ago

Carbon has an atomic number of 6. This means it has 6 protons and 6 electrons. How many valence electrons does carbon have?

Varvara68 [4.7K]

Answer:

Explanation:

Carbon configuration- 2,4

Valence electrons means the outershell electrons

That means valence electrons=4

8 0

3 years ago

you see a coin at the bottom of a fountain of water but when you reach for it it is in another place than it appears to be

Roman55 [17]

Objects in the fountain appear to be somewhere but isnt

6 0

3 years ago