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AysviL [449]
2 years ago
11

Why does an object in motion stay in motion unless acted on by an unbalanced force?

Chemistry
2 answers:
otez555 [7]2 years ago
6 0

its A on USA TEST PREP, because forces are what start and stop motion

Virty [35]2 years ago
5 0

because newtons third law states Pushing something like a swing set makes the motion begin, but if you stop that swing the motion stops.

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What attractive force draws in surrounding electrons for chemical bonds?
Dmitrij [34]

The formation of chemical bonds occurs due to the attractive forces between oppositely charged ions (ionic bonds) or by sharing of electrons (covalent bonds).

An atom having tendency of attracting a shared pair of electrons towards itself and this chemical property is said to Electronegativity .

Thus, the attractive forces which draws in surrounding electrons for chemical bonds is electronegativity.

3 0
3 years ago
Read 2 more answers
If the rate of a reaction increases by a factor of 64 when the concentration of reactant increases by a factor of 4, what is the
igomit [66]

The reaction is of order three with respect to the reactant.

<h3>Explanation</h3>

The rate of a reaction of order n about a certain reactant is proportion to the concentration of that reactant raised to the n-th power. This is true only if  concentrations of any other reactants stay constant in the whole process.

In other words, Rate = constant × [Reactant]ⁿ, Rate ∝ [Reactant]ⁿ. (The symbol "∝" reads "proportional to".)

In this question,

[4 × Reactant]ⁿ ÷ [Reactant]ⁿ = 64.

In other words, 4ⁿ = 64, where n is the order of the reaction with respect to this reactant.

It might take some guesswork to find the value of n. Alternatively, n can be solved directly with a calculator using logarithms. Taking natural log of both sides:

\ln{4^n} = \ln{64}\\n\; \ln{4} = \ln{64}\\n = \frac{\ln{64}}{\ln{4}} = 3.

Evaluating \ln(64) / \ln(4) on Google or on a calculator with support for ln (the natural log) will give the value of n- no guesswork required.

n = 3. Therefore, the reaction is of order three with respect to this reactant.

3 0
3 years ago
For a species with a diploid number of 26, indicate how many chromosomes will be present in the somatic nuclei of individuals th
Sedbober [7]

Answer:

Haploid - 13

Triploid - 39

Tetraploid - 52

Trisomic - 27

Monosomic - 25

Explanation:

A haploid organism has half the chromosome number of a diploid version, hence 26/2 = 13

A triploid organism has 3 sets of a haploid chromosomes, hence 13 x 3 = 39

A tetraploid is double of a diploid, 26 x 2 = 52

Trisomic organisms have one extra chromosome in addition to the normal diploid. Hence 26 + 1 = 27

Monosomic organism has one less chromosome than the normal diploid. Hence 26 - 1 = 25

6 0
3 years ago
Someone please help me please
igor_vitrenko [27]

Answer:

point 2 and 4

Explanation:

because at those point temperature is constant

3 0
3 years ago
Of the total base sequence in human DNA, what percentage codes for proteins? A) Nearly 50 percent
aliya0001 [1]

Answer:

The correct answer is B)About 5 percent

Explanation:

The approximate total size of the human nuclear genome is 3,200,000,000 base pairs. 1 to 1, 4% encode proteins, 24% are non-coding regions and the rest correspond to intergenic regions.

8 0
3 years ago
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