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Ahat [919]
3 years ago
6

What is a common property of metals?

Chemistry
1 answer:
Y_Kistochka [10]3 years ago
4 0

Answer:

B) conducts electricity

Explanation:

Metals are conductors, literally meaning they conduct electricity.

One metal is liquid at room temp (there might be one more but I only know of mercury).

The reactivity depends on the placement in the periodic table.

If it conducts electricity, it can't be an insulator.

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Plz help chemistry test
Nataly [62]

Answer:

plants take carbon dioxide out of the atmosphere and use the energy from sunlight to combine the carbon dioxide and water to form sugar and oxygen

4 0
3 years ago
According to the following reaction, how many grams of water are produced in the complete reaction of 29.7 grams of ammonia? 4 N
Gnesinka [82]

<u>Answer:</u> The mass of water produced in the reaction is 47.25 grams.

<u>Explanation:</u>

To calculate the number of moles, we use the equation:

\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}      .....(1)

Given mass of ammonia = 29.7 g

Molar mass of ammonia = 17 g/mol

Putting values in equation 1, we get:

\text{Moles of ammonia}=\frac{29.7g}{17g/mol}=1.75mol

The given chemical reaction follows:

4NH_3(g)+5O_2(g)\rightarrow 4NO(g)+6H_2O(g)

By stoichiometry of the reaction:

4 moles of ammonia produces 6 moles of water.

So, 1.75 moles of ammonia will produce = \frac{6}{4}\times 1.75=2.625mol of water.

Now, calculating the mass of water by using equation 1, we get:

Molar mass of water = 18 g/mol

Moles of water = 2.625 moles

Putting values in equation 1, we get:

2.625mol=\frac{\text{Mass of water}}{18g/mol}\\\\\text{Mass of water}=47.25g

Hence, the mass of water produced in the reaction is 47.25 grams.

3 0
3 years ago
Andrea and the other members of the tennis team are practicing hitting tennis balls. If two people hit identical balls at the sa
almond37 [142]

Answer:

D

Explanation:

The formula for calculating kinetic energy is 1/2mv^2, where m is the mass and v is the velocity or speed of the object. Since all of the balls have the same mass, the one with the highest speed or velocity will have the highest kinetic energy. Hope this helps!

8 0
3 years ago
The quantities 1 mol and 22.4 L can be used in conversion factors that change moles to volume and volume to moles at STP.
Luden [163]
True. Bc 1 mol and 22.4 L=23.4
6 0
3 years ago
Read 2 more answers
A closed container has 5.60 x 1023 molecules of oxygen gas (O2). How many moles is that?
ozzi
The answer is 5.60 x 1023= 5,728.8
8 0
3 years ago
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