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uranmaximum [27]
2 years ago
11

A.

Chemistry
1 answer:
Andru [333]2 years ago
7 0

Answer:

Where is the question?

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What happens to the average kinetic energy when a solid is warming up?
dsp73
Answer: Average K.E of the solid after heating/warming increases
4 0
2 years ago
What is the most poisonous animal?
astraxan [27]

Answer:

That depends on what species it is

Explanation:

Like reptiles it is rattlesnakes

Spiders would be black widow

So it depends on the what species you what.

5 0
3 years ago
The sugar in your kitchen has a molar mass of 342.3 g/mol. How many particles are present inside a sugar bowl if there are 250 g
Anastaziya [24]

Number of particles inside a sugar bowl = 4.4 x 10²³

<h3>Further explanation</h3>

Given

The molar mass of sugar = 342.3 g/mol

mass of sugar = 250 g

Required

Number of particles

Solution

1 mol = 6.02 x 10²³ particles

mol of sugar :

\tt mol=\dfrac{mass}{molar~mass}

mol = 250 g : 342.3 g/mol = 0.73 mol

Number of particles :

N = n x No

N = 0.73 x 6.02 x 10²³

N = 4.39 x 10²³ ≈ 4.4 x 10²³

4 0
3 years ago
which combination of temperature and pressure correctly describes standard temperature and pressure, STP? A) 0 degrees C and 101
ASHA 777 [7]

Answer: A


0 degrees and 101 kPa are the conditions that describe the standard temperature and pressure. When expressed in K, the standard temperature 0 degrees equals 273.5 K. Also the standard pressure 101 kPa equals 760 mmHg or 1 Atm.

5 0
3 years ago
Read 2 more answers
If an atom has 35 protons in the nucleus, how many will it have orbiting nucleus
yan [13]
It will have 35 ''electrons'' . Basically the number of protons in the nucleus of an atom is always equal to the number of electrons but its just that protons are positively charged and electrons are negatively charged.  <span />
8 0
3 years ago
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