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Ipatiy [6.2K]
3 years ago
9

What is 0.3m equal to mm?

Chemistry
1 answer:
madreJ [45]3 years ago
4 0

0.3×100cm=300cm

300cm×10mm=3000

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If a black ball is denser than a white ball of the same size, what does the black ball have??
yKpoI14uk [10]

Answer: The black ball will have more mass than the white ball.

Explanation: Density of a substance is defined as the ratio of mass and volume occupied by the substance.

Mathematically,

Density=\frac{Mass}{Volume}

We are given that the two balls are of same size, which means that the volume of both the balls are same. We are also given that the black ball is more dense than the white ball, which means that the black ball will have more mass.

As, Density\propto Mass

7 0
3 years ago
HELP!
MAVERICK [17]

Answer:

C

Explanation:

energy cannot be created or destroyed like solar energy for instance. it is already energy because it comes from the sun and for other reason.

Hope this helps!

4 0
3 years ago
In an oven, 7000 kg of limestone are heated to over 900ºC to give lime and carbon dioxide. Assuming all calcium carbonate reacts
kirill [66]

Answer:

3920kg of lime(CaO)   1568m^3 of CO2

Explanation:

I attached the explanation!

also for calculating the volume I assumed Standard Temperature and Pressure(STP).

5 0
3 years ago
How many grams of sodium chloride are required to make a 1.0 L solution with a concentration of 3.5 M?
satela [25.4K]
3.5 M has 3.5 moles per litre
so we have one litre, so we need 3.5 moles
moles = mass/molarmass
3.5 * 23 = 80.5
5 0
3 years ago
Read 2 more answers
Describe the electrons in an atom of carbon in the ground state. Your response must
zepelin [54]

Based on the information given, it should be noted that the ground-state electron configuration of carbon is 1s2 2s2 2p2.

<h3>What is an electron?</h3>

Electrons are simply the subatomic particles which orbit the nucleus of an atom.

The arrangement of electrons in the atomic orbitals of an atom is known as the electron configuration. This can be determined by using a periodic table.

It should be noted that carbon is the sixth element with a total of 6 electrons in the periodic table. Thus, the atomic number Z = 6.

In conclusion, the ground-state electron configuration of carbon is 1s2 2s2 2p2.

Learn more about carbon on:

brainly.com/question/105003

8 0
2 years ago
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