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Nataly [62]
3 years ago
5

Can someone help please!

Chemistry
2 answers:
trasher [3.6K]3 years ago
7 0

Answer:

Mixtures

Explanation:

SIZIF [17.4K]3 years ago
6 0

Which of these are broken down during chemical, but not physical changes?

I am not so sure about this one... sorry

According to the periodic table of the elements, which set of elements has similar properties?

He, Ne, Ar have similar properties because there in the same group.

What is its mass number?

Beryllium's mass number is 9.

I am so sorry I wasn't able to answer the 1st question... but I hope I helped you.

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What is meant by the statement "energy is quantized"?
Sveta_85 [38]

That means that the amount of energy can only be certain numbers, as if
energy came in tiny packets, and the in-between amounts don't exist.

Another example of a measurement in nature that is quantized is
electric charge.


5 0
3 years ago
The elements on the Periodic Table are arranged in order of increasing
Nookie1986 [14]
<span>The elements on the Periodic Table are arranged in order of increasing "Atomic number"

In short, Your Answer would be Option B

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6 0
4 years ago
Which probe should be used to check the temperature of a chicken breast?
Eddi Din [679]

Answer:

penetration probe

Explanation:

it is a penetration probe

8 0
3 years ago
At which point on the roller coaster will the car have the greatest amount of Kinetic energy?
Elena-2011 [213]
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4 0
3 years ago
What is the mole ratio needed to determine the mass of phosphorus trifluoride produced from the reaction of 120 g of phosphorus
Vitek1552 [10]

Answer:

\frac{4molPF_3}{1molP_4}

Explanation:

Hello

In this case, given the reaction:

P_4(s)+6F_2(g)\rightarrow 4PF_3(g)

It means that since the coefficients preceding phosphorous and phosphorous trifluoride are 1 and 4, the correct mole ratio should be:

\frac{4molPF_3}{1molP_4}

Because given the mass of phosphorous it is convenient to convert it to moles and then cancel it out with the moles on bottom of the mole ratio.

Bes regards!

8 0
3 years ago
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