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4 years ago

9

Which Formula represents an asymmetrical molecule?

1 answer:

9966 [12]4 years ago

8 0

The answer is NH3 I hope this helps y’all out....

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Convert 0.00000000045 to scientific notation.

marusya05 [52]

Answer:

4.5 multiplied by 10, to the -10th power.

$(4.5 \times 10 { - }^{10} )$

8 0

3 years ago

What is the purpose of a rain gauge?

FromTheMoon [43]

A rain gauge<span> (also known as an udometer, pluviometer, or an ombrometer) is an instrument used by meteorologists and hydrologists to gather and measure the amount of liquid precipitation over a set period of time.

i hope that helps</span>

7 0

3 years ago

Read 2 more answers

The rate of a hypothetical reaction involving L and M is found to double when the concentration of L is doubled and to increase

Semmy [17]

Answer: $Rate=k[L]^1[M]^2$

Explanation:

Rate law says that rate of a reaction is directly proportional to the concentration of the reactants each raised to a stoichiometric coefficient determined experimentally called as order.

$L+M\rightarrow products$

$Rate=k[L]^x[M]^y$ (1)

k= rate constant

x = order with respect to L

y = order with respect to M

n =( x+y)= Total order

a) If [L] is doubled, the reaction rate will increase by a factor of 2:

$2\times Rate=k[2L]^x[M]^y$ (2)

b) If [M] is doubled, the reaction rate will increase by a factor of 4:

$4\times Rate=k[L]^x[2M]^y$ (3)

Dividing 2 by 1:

$\frac{2\times Rate}{Rate}=\frac{k[2L]^x[M]^y}{k[L]^x[M]^y}$

$2=2^x$

$x=1$

Dividing 3 by 1

$\frac{4\times Rate}{Rate}=\frac{k[L]^x[2M]^y}{k[L]^x[M]^y}$

$4=2^y$

$2^2=2^y$

$y=2$

Thus rate law is: $k[L]^1[M]^2$

4 0

4 years ago

given that the mean relating atomic mass of chlorine gas is 35.5 and contains a mixture of two isotopes of mass number 35 and 37

bezimeni [28]

The abundance of isotope 35 = 75%

The abundance of isotope 37 = 25%

Ratio isotope 35 : isotope 37 = 3 : 1

<h3>Further explanation</h3>

Given

Ar Cl = 35.5

Two isotopes of mass number 35 and 37

Required

The ratio of each isotope

Solution

If the abundance of isotope 35 is x%, then the abundance of isotope 37 is (100-x)%

35.5 = x%.35 + (100-x)%.37

35.5 = 0.35x+0.37(100-x)

35.5=0.35x-0.37x+37

0.02x=1.5

x=75

5 0

3 years ago

Help please I really need it. :(

stich3 [128]

Answer:

the second answer

Explanation:

7 0

3 years ago