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2 years ago

A car accelerates from 0 to 72 km/hour in 6.0 seconds. What is the car's acceleration?

Chemistry

2 answers:

MariettaO [177]2 years ago

7 0

Answer: i hope it helps or not

A car increases it's velocity from 0 m/s to 14 m/s in 2 seconds. Amis - Omls ... A racing car's velocity is increased from 44 m/s to 66m/s in 11 seconds. ... 25 km/hr. 1200 km/hr. 2 min. - Kinlarise. 6. A car accelerates from a standstill to 60 km/hr in.

Explanation:

Zarrin [17]2 years ago

3 0

The car's acceleration is 12 km/second^2

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Explanation:

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2 years ago

What happens when magnesium reacts with iodine to make magnesium iodide?

I am Lyosha [343]

Explanation:

Atomic number of magnesium is 12 and its electronic distribution is 2, 8, 2. On the other hand, atomic number of iodine is 53 and its electronic configuration is $[Kr]4d^{10}5s^{2}5p^{5}$ .

Hence, there are 7 valence electrons in an iodine atom and there are 2 valence electrons in a magnesium atom.

So, one atom of iodine requires one electron from a donor atom to complete its octet. But one magnesium atom contains two valence electrons.

Therefore, one magnesium atom will combine with two iodine atoms to result in the formation of magnesium iodide as follows.

$Mg^{2+} + 2I^{-} \rightarrow MgI_{2}$

Therefore, an ionic bond will be formed when magnesium reacts with iodine to make magnesium iodide.

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2 years ago

Name four metals and non-metals, and state one major use of each

diamong [38]

Answer:

Metals

1) Sodium : It is used in the formation of table salt i. e. sodium chloride.

2) Copper : It is used in the wires of electricity due to better conduction.

3) Silver : It is used in wires and for making jewelry.

4) Aurum: It is used for making jewelry.

Non metals

1) Chlorine : It is used in the production of sodium chloride salt which is used in foods.

2) Flourine : It is used in making toothpaste.

3) Hydrogen : It is used in the formation of acids.

4) Oxygen : It is widely used in the production of steel and plastic.

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2 years ago

Balance the Chemical Equations MgF2 + Li2CO3---> MgCO3 + LiF Please Help

kirill115 [55]

Answer:

MgF2 + Li2CO3 ---> MgCO3 + 2LiF

Explanation:

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2 years ago