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vodomira [7]
3 years ago
7

BRAINIEST!!!

Chemistry
2 answers:
Dominik [7]3 years ago
8 0

The answer is Biosphere

Montano1993 [528]3 years ago
8 0

Answer:

Cryoshpere

Explanation:

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Please help me with my regents practice :((
BlackZzzverrR [31]

Answer: 3 & 4

Explanation:

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3 years ago
The electrons which are primarily responsible for chemical bonds are:
earnstyle [38]
Is there any choices because i can answer if you give me choices
4 0
3 years ago
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How is Earth's surface most likely To
AleksAgata [21]

Answer:

A. Cracks in rocks will deepen as the roots grow.

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3 years ago
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What is the molarity of the bleach solution of slide 28 (7.4% NaOCl by mass, density 1.12 g.cm-3)?
Anuta_ua [19.1K]

Answer:

Molarity of solution is 1.10x10⁻³ M

Explanation:

Solute NaOCl

7.4% by mass means, that in 100 grams of solution, we have 7.4 g of solute.

Molar mass of NaOCl = 74.45 g/m

Mol = Mass / Molar mass

7.4 g / 74.45 g/m = 0.099 moles

Density of solution = 1.12 g/mL

Density = Mass / volume

1.12g/mL = 100 g / volume

Volume = 100 g / 1.12g/mL = 89.3 mL

Molarity = mol /L

89.3 mL = 0.0893 L

0.099 moles / 0.0893 L = 1.10x10⁻³ M

3 0
4 years ago
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Draw the structure of the product for the reaction of propylmagnesium bromide with cyclohexanone. Assume that the reactions are
Nadya [2.5K]

Answer:

See explanation below

Explanation:

This reaction is known as the Grignard reaction. If's often used to add an alkyl to a molecule, in this case, a ketone. This also helps to reduce the carbonile to an alcohol.

The mechanism is taking place in 3 steps.

The first step involves the attack of the pair of electrons of the oxygen from the cyclohexanone to the MgBr, and the other pair takes the propyl.

The second step involves the breaking of this bond to have the OMgBr and the propyl attached to the carbon of the chain.

The last steps involves an hydration of the molecule, to turn the OMgBr into OH, and that would be the final product.

In this case, the final product will be 1-propyl-cyclohexanol.

The picture below, shows the mechanism and the drawing of the final product.

5 0
3 years ago
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