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Galina-37 [17]
3 years ago
13

Molarity prctice c.10.c

Chemistry
1 answer:
Cerrena [4.2K]3 years ago
3 0

Answer what are you asking

Explanation:

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Why is burning is not a recommended method of disposing plastics
creativ13 [48]
Because on burning plastic produce toxic gases which is harmful for our earth
7 0
4 years ago
Read 2 more answers
1/0.00032 in standard scientific notation
g100num [7]

The answer for 1/0.00032 in standard scientific notation is 3.125 * 10^3.

<u>Explanation</u>:

For conversion of the given number in scientific notation follow

a * 10^b

The steps to see how 3,125  written in scientific notation as follows.

Step 1

To find a, The number is moved right to one decimal place.

Original Number: 3,125

New Number: 3.125

Step 2

Now, to find b, Find the decimal count on the right side.

New Number: 3 .1 2 5

Decimal Count:       1 2 3

There are three places found.

Step 3

Now we can reconstruct the number into scientific notation.

The Scientific notation is: a x 10^b

a = 3.125

b = 3

Now writing the whole thing:

3.125 x 10^3

Step 4

Check your work:

10^3 = 1,000 x 3.125 = 3,125.

8 0
4 years ago
1. Is a hurricane or a tornado deadlier on average?
Vilka [71]

Stoms or tornadoes cause about ten times more damage a year, on average, as hurricanes. Storms often cause more complete destruction than hurricanes because of their large size, long-term duration, and their varied potential for damage to property.

Storms can be very severe storms, hurricanes often last a long time, cover most of the earth and cause great damage. The wind from the strongest calves is stronger than the one from the strongest storms.

Have a nice day <3

3 0
3 years ago
What is heat capacity and how does it relate to how quickly a substance heats up or cools<br> down?
Lorico [155]

Answer:

heat capacity: "the number of heat units needed to raise the temperature of a body by one degree."

Explanation:

4 0
3 years ago
Calculate the pH of a 0.10 M solution of acidic acid HC2H3O2(aq) at 25 °C. Ka for HC2H3O2 = 1.8×10−5 at 25 °C g
TiliK225 [7]

Answer:

The answer is "3".

Explanation:

acetic acid Dissociation:  

CH_3COOH \ < - - - - - - - - - - - - - \ > CH_3COO^{-}+H^{+}\\\\

Dissociation constant of the Ka:

Ka = \frac{[CH3COO^{-}] [H^{+}]}{[CH_3COOH]}\\\\

using the ICE table:

CH_3COOH \ < - - - - - - - - - - - - - \ > CH_3COO^{-}+H^{+}\\\\ \to 1.8 \times 10^{-5} =\frac{( x  \times x) }{0.1-x} -------(2)

x is negligible compared to Ka.

1.8\times 10^{-5} = \frac{x^2}{0.10}\\\\x^2 = 1.8 \times 10^{-6}\\\\x = 1.34 \times 10^{-3}\\\\pH = -\log [H^{+}]

From the ICE table, [H^{+}] = x = 1.34 \times 10^{-3}

\to pH = -\log(1.34 \times 10^{-3}) = 3

5 0
4 years ago
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