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3 years ago

What speeds up a chemical reaction

Chemistry

1 answer:

storchak [24]3 years ago

5 0

Catalyst can speed up chemical reaction without being used up or involved in thr reaction..

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gregori [183]

Answer:

160

Explanation:

p*v/t = constant

p1*v1/t1 = p2*v2/t2

pressure is not stated in question so we get rid of it on both sides

v1/t1 = v2/t2

we are finding temperature so we flip the entire equation

t1/v1 = t2/v2

200/5 = t2/4

4(200/5) = t2

=160

7 0

3 years ago

Read 2 more answers

If salt (5. 99 × 10–6 mol) is dissolved in 1. 50 × 10–2 L of water, which expression can be used to find the molarity of the res

Alexus [3.1K]

Molarity can be defined as the moles of solute in a liter of solution. The molarity of the salt solution is $\rm \bold{3.99\;\times\;10^{-4}\;M}$ .

<h3>What is the relation between moles and volume?</h3>

The moles are the mass of substance with respect to the molar mass. The moles and volume relationship can be expressed in terms of molarity.

The molarity can be expressed as:

$\rm Molarity=\dfrac{Moles}{Volume}$

The given solution has,

Moles of salt = $\rm 5. 99\;\times\; 10^-^6$

The volume of solution = $\rm 1.50\;\times\;10^-^2$ L.

Substituting the values for molarity as:

$\rm Molarity=\dfrac{5.99\;\times\;10^{-6}}{1.50\;\times\;10^-^2\;L}\\ Molarity=3.99\;\times\;10^{-4}\;M$

The molarity of the solution is $\rm \bold{3.99\;\times\;10^{-4}\;M}$ . Thus, option C is correct.

Learn more about molarity, here:

brainly.com/question/12127540

4 0

3 years ago

(3.6 x 104) / (4 x 10-6)

Feliz [49]

Answer:

930 pls mark me branilest

4 0

3 years ago

Read 2 more answers

Fluorine has seven electrons in its outermost shell. It will most likely try to join with an atom with _____.

Nana76 [90]

Answer:

Its either with itself to become fluoride Fl2 or with an alkali metal (elements in group 1) to achieve a stable electronic configuration or octet structure

Explanation:

7 0

3 years ago

An atom represented by X forms a compound with

DENIUS [597]

Answer:

D) Mg .

Explanation:

Hello!

In this case, since compounds with the formula X3N2 suggest that the oxidation state of X is +2 because the oxidation state of nitrogen is -3 as it gains three electrons in order to attain a complete octet; among the given options, just magnesium (option D) Mg ) has such charge as it is in group 2A, which suggests it loses two electrons when forming ionic compounds:

$Mg^{2+}N^{3-}\\\\Mg_3N_2$

Best regards!

6 0

3 years ago