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3 years ago

11

What is the molecular formula of a compound whose molar mass is 112 and whose empirical formula is ?

1 answer:

enot [183]3 years ago

7 0

Well I need to know the empirical formula, molecular formula.
Then I can multiply the grams of each individual element by their molar mass, and divide the smallest element by itself, and the other elements by the smallest element. Then I get the empirical formula

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Suppose there was a release of 1 mole of Alpha emission particle and 1 mole of Beta emission particles and both particles are ac

Vitek1552 [10]

Answer:

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Explanation:

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3 years ago

What is the Electron Center Geometry of a CH3 carbon.

wel

Answer:

tetrahedral geometry

<h3>CHCH2O- CH2CH3</h3>

Explanation:

There are several centers of interest. Each carbon with all single bonds is the center of a tetrahedral geometry.

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3 years ago

Identify the heterogeneous mixtures from the list. Check all that apply. salad dressing hydrochloric acid solution orange juice

raketka [301]

Answer:

salad dressing

Explanation:

8 0

3 years ago

Read 2 more answers

What is the molar concentration of hydronium ions in a sample of a soft drink that has a ph of 4?

hammer [34]

[ $H^{+}$ ] value of soft drink is 0.0001mol/l when given pH is 4.

Given:

pH = 4

Needs to find: [ $H^{+}$ ]

Formula to find: pH=−log $_{10}$ [ $H^{+}$ ]

We can put the values of pH in above formula as,

pH=−log $_{10}$ [ $H^{+}$ ]

4 =−log $_{10}$ [ $H^{+}$ ]

To calculate hydonium ion concentration, formula is as follows;

[ $H^{+}$ ] = $10^{-pH}$

[ $H^{+}$ ] = $10^{-4}$ = 0.0001mol/l

[ $H^{+}$ ] value of soft drink is 0.0001mol/l

Learn more about pH here:

brainly.com/question/2288405

#SPJ4

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2 years ago

The nuclear binding energy of one nitrogen-14 atom is (BLANK) x 10A J. Round to 3

d1i1m1o1n [39]

mass defect = mass of constituents - mass of atom

N has 7p and 9n

proton mass ~ 1.00728 amu

neutron mass ~ 1.00866 amu

electron mass ~ 0.000549 amu

Nitrogen mass ~ 14.003074 amu

mass defect = (7*1.00728)-(7*1.00866)-(7*0.000549) - 14.003074

= 0.11235amu

convert to energy, the binding energy = 1.68x10^-11 J

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3 years ago