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3 years ago

How do you convert 16.7 inches to feet?

Chemistry

2 answers:

vovangra [49]3 years ago

8 0

the answer is 1.39 feet

beks73 [17]3 years ago

6 0

There are 12 inches in a foot.

16.7 in ÷ 12 in = 1.39 ft

Or if you prefer to the nearest tenth:

1.4 ft.

Good luck! :)

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Page : Date: What do you mean by a symbol ? What are the bases of making symbols?

xxTIMURxx [149]

Answer:

Hi, There! your Answers are Below And Are 100% Correct

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3 years ago

In the laboratory, a general chemistry student measured the pH of a 0.529 M aqueous solution of phenol (a weak acid), C6H5OH to

Artyom0805 [142]

Answer:

The dissociation constant of phenol from given information is $9.34\times 10^{-11}$ .

Explanation:

The measured pH of the solution = 5.153

$C_6H_5OH\rightarrow C_6H_5O^-+H^+$

Initially c

At eq'm c-x x x

The expression of dissociation constant is given as:

$K_a=\frac{[C_6H_5O^-][H^+]}{[C_6H_5OOH]}$

Concentration of phenoxide ions and hydrogen ions are equal to x.

$pH=-\log[x]$

$5.153=-\log[x]$

$x=7.03\times 10^{-6} M$

$K_a=\frac{x\times x}{(c-x)}=\frac{x^2}{(c-x)}=\frac{(7.03\times 10^{-6} M)^2}{ 0.529 M-7.03\times 10^{-6} M}$

$K_a=9.34\times 10^{-11}$

The dissociation constant of phenol from given information is $9.34\times 10^{-11}$ .

4 0

4 years ago

SOMEONE PLS HELP ASAP!!

Oksi-84 [34.3K]

Answer:

Two cinder blocks 6 centimeters apart

Explanation:

im not 100% certain but the 2 cinder blocks are more dense than the other options

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3 years ago

What are the main ideas in dalton's atomic theory? check all that apply. check all that apply. atoms of one element can change i

inessss [21]

Dalton's atomic theory originally has 5 postulates. Among the choices, there are three that are included. These are:

*atoms of one element cannot change into atoms of another element.
*each element is composed of tiny, indestructible particles called atoms.
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The others are incorrect. Atoms of one element cannot change to another element. Atoms of the same element do not have the same mass because they can occur as isotopes. Nuclear particles are not part of Dalton's theory, just the chemical reactions.

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3 years ago

Which one of the following groups of chemical compounds is composed entirely of organic compounds?

guajiro [1.7K]

Answer:

Explanation:

Organic compounds are chemical compounds which usually contains one or more atoms of carbon, hydrogen, oxygen and sometimes nitrogen or sulphur. Carbon and hydrogen are the main element that is contained in most organic compounds.

Option A is wrong because calcium phosphate is not an organic compound, although all the other compounds in the option are organic compounds.

Option B is wrong because calcium chloride is not an organic compound

Option C is wrong also as calcium sulphate is not an organic compound

Option D is correct as all are organic compounds

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3 years ago