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3 years ago

Which of the following most completely describes an object's motion?

2 answers:

8 0

Hello!

This is a difficultly easy question, mostly because it seems like all of the answers would be right, but if I had to choose one, I would say (D) because this option gives the most detail.

Option A only tells us how fast a car was moving
Option B only tells us the rate the water falls and how fast it is going
Option C only tells how far and not the speed or destination
Option D is correct, it tells us the speed/rate, the destination, and what is moving

Therefore, Option (D) is correct

If this helps, please mark brainliest, have a great day!!

kotykmax [81]3 years ago

3 0

The answer to your question is D. The baby crawls 10 feet in 15 seconds toward the door

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True or false <br> The sodium atom becomes a sodium ion with a charge of +1

ddd [48]

Answer:

True

Explanation:

The sodium atom does become a sodium ion with a charge of +1.

6 0

2 years ago

The electronic configuration of phosphorous is 2.8.5. Explain, in terms of its electronic configuration, why phosphorus is in gr

Setler [38]

Answer:

Explanation:

phosphorus belongs to group 5 of the periodic table because it has 5 electron in its outermost shell the number of electron in the outermost shell of electron determine the group of the element in the periodic table

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3 years ago

How many milliliters of 4.00 M NaOH are required to exactly neutralize 50.0 milliliters of a 2.00 M solution of HNO3 ?

kramer

Answer: The volume of $NaOH$ required is 25.0 ml

Explanation:

According to the neutralization law,

$n_1M_1V_1=n_2M_2V_2$

where,

$n_1$ = basicity $HNO_3$ = 1

$M_1$ = molarity of $HNO_3$ solution = 2.00 M

$V_1$ = volume of $HNO_3$ solution = 50.0 ml

$n_2$ = acidity of $NaOH$ = 1

$M_1$ = molarity of $NaOH$ solution = 4.00 M

$V_1$ = volume of $NaOH$ solution = ?

Putting in the values we get:

$1\times 2.00\times 50.0=1\times 4.00\times V_2$

$V_2=25.0ml$

Therefore, volume of $NaOH$ required is 25.0 ml

3 0

3 years ago

In a coffee-cup calorimeter, 1.55 g KOH is added to 125 ml of 0.80 M HCl. The following reaction occurs. KOH(s) + HCl(aq) → H2O(

DENIUS [597]

Answe1.55 gr:

Explanation:

yes

4 0

3 years ago

An ordered list of chemical substances is shown. Chemical Substances 1 CuO 2 O2 3 CO2 4 NO2 5 Fe 6 H2O Which substances in the l

a_sh-v [17]

Answer:

reactants: 2 O2

products: 3 CO2, 4 NO2, 6 H2O

Explanation:

In a combustion, a combustible material, which generally is composed of C, H, O, N, and S, is combusted, that is, react with oxygen after a spark was produced; obtaining fire, heat and subproducts, including ashes and gases.

Oxygen is always one of the reactants of a combustion.

If Nitrogen was present in the combustible, NO2 (or other nitrogen oxides) will be produced.

If Carbon was present in the combustible, CO2 will be produced (also CO can be produced).

If Hydrogen was present in the combustible, H2O will be produced.

7 0

3 years ago