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Dvinal [7]
3 years ago
6

Draw the Lewis structures of N2, O2, H20, and CH4. Compare your drawing to the ones in the drawing on this test and select

Chemistry
1 answer:
scoray [572]3 years ago
6 0

Answer:

d

Explanation:

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a rock is found to have a small amount of copper would you call the rock an ore of copper explain in 5-6 sentences
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Answer: No. An ore is a rock having large amounts of a mineral. Minerals may or may not be commercially useful.

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3 years ago
(4 points) The following lead compound for a pharmaceutical drug contains a rotatable bond. Using the principles of rigidificati
masya89 [10]

Answer:

Explanation:

The solution has been attached

3 0
3 years ago
WHICH OF THE GENOTYPES IN NUMBER 1 WOULD BE CONSIDERED PUREBRED
Rasek [7]
Purebred<span> — Also called HOMOZYGOUS and consists of gene pairs with genes that are the SAME. Hybrid - Also called HETEROZYGOUS and consists of gene pairs that are D i'FFEREN'i". </span>Genotype<span> is the actual GENE makeup represented by LE'H'ERS.</span>
3 0
3 years ago
(a) the temperature on a warm summer day is 87 °f. what is the temperature in °c? (b) many scientific data are reported at 25
olchik [2.2K]

Answers:

              (a)  30.55 °C

              (b) 298 K and 77°F

              (c)  204.44 °C and 477.44 K

              (d)  -320.8 °F and -196 °C

Explanation:

Converting °C into °F;

                                   °F  =  °C × 1.8 + 32

Converting °F into °C;

                                   °C  =  °F - 32 ÷ 1,8

Converting °C into K;

                                   K  =  °C + 273

Converting K into °C;

                                   °C  =  K - 273

8 0
3 years ago
A dehydration reaction starting with 3.8 g cyclohexanol produces 2.6 g cyclohexene. Calculate the theoretical yield for this rea
diamong [38]

Answer:

Theoretical yield of C6H10 = 3.2 g.

Explanation:

Defining Theoretical yield as the quantity of product obtained from the complete conversion of the limiting reactant in a chemical reaction. It can be expressed as grams or moles.

Equation of the reaction

C6H11OH --> C6H10 + H2O

Moles of C6H11OH:

Molar mass of C6H110H = (12*6) + (1*12) + 16

= 100 g/mol

Mass of C6H10 = 3.8 g

number of moles = mass/molar mass

=3.8/100

= 0.038 mol.

Using stoichoimetry, 1 moles of C6H110H was dehydrated to form 1 mole of C6H10 and 1 mole of water.

Therefore, 0.038 moles of C6H10 was produced.

Mass of C6H10 = molar mass * number of moles

Molar mass of C6H10 = (12*6) + (1*10)

= 82 g/mol.

Mass = 82 * 0.038

= 3.116 g of C6H10.

Theoretical yield of C6H10 = 3.2 g

4 0
3 years ago
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