3 years ago

What is the correct orbital diagram for carbon

Chemistry

1 answer:

Viefleur [7K]3 years ago

5 0

This is a basic orbital diagram for carbon

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2NaOH+CO2----->Na2CO3+H2O

kondaur [170]

Answer:

13.2 g Na2CO3

Explanation:

Convert 10.0 g NaOH to mol.

10.0 g x 1 mol/39.997 g = 0.250 mol

Use mol ration given by the equation: 2 mol NaOH to 1 mol Na2CO3

0.250 mol NaOH x 1 mol Na2CO3/2 mol NaOH = 0.125 mol Na2CO3

Finally, convert the moles of Na2CO3 to grams.

0.125 mol Na2CO3 x 105.99 g/1 mol = 13.2 g

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4 years ago

A 0.885 M solution of KBr whose initial volume is 82.5 mL has more water added until its concentration is 0.500 M. What is the n

4vir4ik [10]

Answer:

$V_2=146mL$

Explanation:

Hello there!

In this case, since the equation for the calculation of dilutions is:

$M_1V_1=M_2V_2$

Whereas M is the molarity and V the volume, because the final concentration is lower than the initial. Thus, since we are asked to calculate the final volume, we solve for V2 as follows:

$V_2=\frac{M_1V_1}{M_2}=\frac{0.885M*82.5mL}{0.500M}\\\\V_2=146mL$

Best regards!

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3 years ago

8.6 * 10^ 20 (1/S or Hz)

vredina [299]

Answer:

infrared

Explanation:

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3 years ago

Do all mutations have the same affect on a cells dna

andreyandreev [35.5K]

Answer:

no, some mutations can create cancers while others can create other infections

Explanation:

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3 years ago

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ANSWER THIS QUESTION AND GET 10 POINTS AND BRAINLEST

Gelneren [198K]

Answer:

A.All Mixtures Are Made Up Of Solutions

Explanation:

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3 years ago