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2 years ago

You have three molecules of glucose (3C^6H^12O^6). How many carbon atoms do you have?

Chemistry

2 answers:

allsm [11]2 years ago

5 0

You have 6 carbon atoms in glucose. Multiply by 3 and you get 18.

shutvik [7]2 years ago

3 0

Each molecule of glucose has 6 Carbon atoms, so 3 molecules would be 3*6 Carbon atoms, or 18 in total.

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Calculate either [ H 3 O + ] or [ OH − ] for each of the solutions.

STALIN [3.7K]

Answer: Solution A : $[H_3O^+]=0.300\times 10^{-7}M$

Solution B : $[OH^-]=0.107\times 10^{-5}M$

Solution C : $[OH^-]=0.177\times 10^{-10}M$

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration and pOH is calculated by taking negative logarithm of hydroxide ion concentration.

$pH=-\log[H_3O^+]$

$pOH=-log[OH^-}$

$pH+pOH=14$

$[H_3O^+][OH^-]=10^{-14}$

a. Solution A: $[OH^-]=3.33\times 10^{-7}M$

$[H_3O^+]=\frac{10^{-14}}{3.33\times 10^{-7}}=0.300\times 10^{-7}M$

b. Solution B : $[H_3O^+]=9.33\times 10^{-9}M$

$[OH^-]=\frac{10^{-14}}{9.33\times 10^{-9}}=0.107\times 10^{-5}M$

c. Solution C : $[H_3O^+]=5.65\times 10^{-4}M$

$[OH^-]=\frac{10^{-14}}{5.65\times 10^{-4}}=0.177\times 10^{-10}M$

7 0

2 years ago

The chief advantage of the metric system over other systems of measurement is that it ____.

OlgaM077 [116]

The chief advantage of the metric system over other systems of measurement is that it B. is in multiples of 10.

This can be seen in the picture below that shows the prefixes of the metric system.

7 0

2 years ago

Read 2 more answers

A section of the periodic table is shown below: A portion of two rows of the periodic table is shown. The first row reads two he

cluponka [151]

The statement which is true is

Fluorine is more reactive than nitrogen because fluorine needs only one electron to fill its outermost shell.

Explanation

Fluorine has electron configuration of 1S²2S²2P⁵ while nitrogen has 1S²2S²2P³ electron configuration.

The 2P sub shell for nitrogen is half filled therefore it is sable than fluorine.

since p orbital can hold a maximum of 6 electrons ,Fluorine requires 1 electron to completely fill it's 2P sub shell which make it more reactive than nitrogen.

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3 years ago

What three factors affect the pressure of a gas in a closed container?

maks197457 [2]

Number of moles of the gas, Temperature and the volume of the gas.

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2 years ago

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A solution with a pH of 8 is _____. a. neutral b. basic c. acidic

Rasek [7]

Answer: basic

Explanation: