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drek231 [11]
3 years ago
7

Complete the following table based on known properties of ionic and covalent compounds.

Chemistry
1 answer:
TiliK225 [7]3 years ago
6 0

Answer:

structure of KF - ionic

Explanation:

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Calculate the density of a cube of iron that measures 3.50cm, 0.755 cm, 2.25cm on each side and weighs 47.0g?
laila [671]

Answer: 7.90 g/cm^3

Explanation:

Density = Mass / Volume

The first step is to find the volume by multiplying the three measures of the cube that have been provided.

3.50 x 0.755 x 2.25 = 5.95 cm^3

Now we can plug the numbers into our equation.

Density = 47.0g / 5.95 cm^3

Density = 7.90 g/cm^3

5 0
3 years ago
Convert the speed of light, 3.0 x 10^8 m/s, into mi/hr. (1610 m = 1 mi). Could you please explain step by step thank you!
jenyasd209 [6]

Answer:

v=6.7\times 10^9\ mi/hr

Explanation:

Given that,

The speed of light is 3×10⁸ m/s

We need to convert it into mi/hr.

Since, 1 mile = 1610 m

1 hour = 3600 s

So,

v=3\times 10^8\ \dfrac{m}{s}\\\\=3\times 10^8\ \dfrac{\dfrac{1}{1610}\ \text{miles}}{\dfrac{1}{3600}\ s}\\\\=6.7\times 10^9\ mi/hr

So, the required speed of light is 6.7\times 10^9\ mi/hr.

8 0
3 years ago
in dimesional analysis, if an electric vehicle gets 4 miles/ kWh and the utility company charges 12 cents per kWh for charging i
Ivanshal [37]

Answer:

The cost of driving this car is 33.33 miles per dollar.

Explanation:

Distance covered in 1 kilo watt-hour = 4 miles/kWh

Utility company charges  = 12 cents/kWh

The cost of driving this car in miles per cents:

\frac{ 4 miles/kWh}{12 cents/kWh}=\frac{1 miles}{3 cents}

1 cents = 0.01$

The cost of driving this car in miles per dollars:

\frac{1}{3} miles/cent=\frac{1 miles}{3\times 0.01\$}=33.33 miles/\$

3 0
3 years ago
If cells did not work together what would happen to the organisms
arlik [135]

Surely, If cells did not work together in an organism, there won't be formation of new cells and life process would stop

<h3>Living organisms </h3>

Living organisms; be it plants or animals are any organic or living system composed of cells and function as an individual entity.

  • All living organisms share a number of key characteristics or functions such as movement, respiration, homeostasis, reproduction, growth, evolution, competition and others.

  • Animals and plants also posess systems such as the digestive, skeletal, transport, nervous, excretory, respiratory and reproductive system.

  • Living organisms are also taxonomically classified as either unicellular microorganisms or multicellular plants and animals

So therefore, surely, If cells did not work together in an organism, there won't be formation of new cells and life process would stop

Learn more about living organisms:

brainly.com/question/17259533

#SPJ1

5 0
1 year ago
How are energy and work related?
Luda [366]

Answer:

c

Explanation:

because u need the energy to be able to work

8 0
3 years ago
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