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iren2701 [21]
2 years ago
5

What is uranium classified as

Chemistry
1 answer:
Free_Kalibri [48]2 years ago
7 0

Answer:

uranium is classifide as actinide a chemical element atomic number 92 and is a solid at room temperature

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If a gold bar is 16,000 g mass and 800 cm^3 volume what is the density?
ki77a [65]

Answer:

<h3>The answer is 20 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume} \\

From the question

mass = 16,000 g

volume = 800 cm³

We have

density =  \frac{16000}{800}  =  \frac{160}{8}  \\

We have the final answer as

<h3>20 g/cm³</h3>

Hope this helps you

5 0
3 years ago
A balanced chemical reaction obeys the law of...
Anit [1.1K]

Answer: (C) conservation of matter

Solution: Law of conservation of matter or mass states that' total mass of the reactants should always be equal to the total mass of the product that is the total mass is remained conserved in a chemical reaction.

A balanced chemical equation always follow this law.

For example:

2H_2(g)+O_2(g)\rightarrow 2H_2O(l)

Mass of hydrogen = 1 g/mol

Mass of Oxygen = 16 g/mol

Total mass on the reactants = 2(2×1)+(2×16)= 36g/mol

Total mass on the product side = 2[(2×1) +16] = 36 g/mol

As,

Mass on reactant side = Mass on the product side

Therefore, a balanced chemical reaction follows Law of Conservation of mass.

4 0
3 years ago
Read 2 more answers
Identify an environmental condition in the ecosystem above and how it can affect the ecosystem
sattari [20]
Deforestation- there are no more homes for some animals and insects after a forest is cut down.

desertification- when deserts get larger it destroys other ecosystems.
4 0
3 years ago
A barrel of water weighs 60 pounds. What must you put in it for it to weigh 40 pounds?
astraxan [27]

Answer:

A hole

Explanation:

put a hole in the barrel and let some water out

3 0
3 years ago
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Is a corroding metal a chemical and physical change
Firdavs [7]
Yes, it's changing the appearance of the metal caused by rain, salt, or acid
6 0
2 years ago
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