3 years ago

Which is the least likely result of selective breeding

Chemistry

1 answer:

MAXImum [283]3 years ago

6 0

Correct answer is C.
But this is a biology question.

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How many grams of aluminum are required to give a total dislocation length of 3,000 miles (enough to stretch from New York City

Luba_88 [7]

Answer:

0.13 g

Explanation:

mass of aluminum required = ( Dislocation length) / ( Dislocation density) × (density of metal)

3000 miles to cm ( 1 mile = 160934 cm) = 3000 miles × 160934 cm / 1 mile = 482802000 cm

density of Aluminium = 2.7 g /cm³

dislocation density of aluminum = 10¹⁰ cm³

mass of aluminum required = (482802000 cm × 2.7 g/cm³) / 10¹⁰ cm³ = 0.13 g

5 0

3 years ago

What is the percentage by mass of sulphur in Al2(SO4)3[A12SO4 = 342g/mol, S = 32]

valentinak56 [21]

Answer: The percentage by mass of sulphur in $Al_2(SO_4)_3$ is 9.36%

Explanation:

Mass percent of an element is the ratio of mass of that element by the total mass expressed in terms of percentage.

${\text {Mass percentage}}=\frac{\text {mass of sulphur}}{\text {Total mass}}\times 100\%$

Given: mass of sulphur = 32 g/mol

mass of $Al_2(SO_4)_3$ = 342 g/mol

Putting in the values we get:

${\text {Mass percentage}}=\frac{32g/mol}{342g/mol}\times 100\%=9.36\%$

The percentage by mass of sulphur in $Al_2(SO_4)_3$ is 9.36%

4 0

3 years ago

A 23.6 ml of slat water has a mass of 26.47 grams. calculate its density.

bija089 [108]

The density is 1.12161 g/ml

7 0

3 years ago

How strong are bonds between subatomic particles?

Aleks [24]

Answer:

they are indeed very strong

8 0

4 years ago

A) Name the following compounds CH, -CH-CH (i) CH, Br -

liq [111]

Answer:

methyl, ethyl,

Explanation:

that should be the case

8 0

3 years ago