3 years ago

You have 9.32 quarts. How many milliliters do you have?

Chemistry

1 answer:

Ierofanga [76]3 years ago

8 0

Answer:

8820.009 milliliters

Explanation:

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The amount of radioactive carbon-14 in a sample is measured using a Geiger counter, which records each disintegration of an atom

sergij07 [2.7K]

Answer:

4121 years

Explanation:

From;

0.693/t1/2 = 2.303/t log No/N

t1/2= half life of the carbon-14

No= count rate of the living tissue

N= count rate of the sample

t = age of the sample

0.693/5730 =2.303/t log (13.5/8.2)

1.21 * 10^-4 = 2.303/t * 0.2165

1.21 * 10^-4 = 0.4986/t

t = 0.4986/1.21 * 10^-4

t = 4121 years

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3 years ago

Draw the diagram of 4-propylnonane

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3 years ago

1.Which is the largest atom in Group 1?

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1. Francium
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3 years ago

Structure of isobutyl formate

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Answer:

Isobutyl formate (2-methylpropyl methanoate) is an organic ester with the chemical formula C5H10O2. Used for flavor and fragrance because of its odor.

Explanation:

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3 years ago

A chemist prepares a solution of sodium nitrate (NaNO3) by measuring out 286. umol of sodium nitrate into a 450. mL volumetric f

shusha [124]

Answer:

Concentration of sodium nitrate solution is 0.636 mmol/L

Explanation:

We know, $1micromol=1\times 10^{-3}mmol$

So, $286.micromol=(286.\times 10^{-3})mmol=0.286mmol$

Concentration in mmol/L is defined as number of mmol of solute dissolved in 1000 mL of solution

Here solute is $NaNO_{3}$

Total volume of solution = Total volume of volumetric flask = 450. mL

Hence concentration of $NaNO_{3}$ solution = $\frac{0.286mmol}{450.mL}\times 1000=0.636mmol/L$

So, concentration of sodium nitrate solution is 0.636 mmol/L

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3 years ago