3 years ago

The chemical combination of two or more different kinds of atoms in fixed amounts is called a(n)?

Chemistry

1 answer:

gladu [14]3 years ago

4 0

Ur answer is compound hope this help XD

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Number of electrons the atom my accept from another atom?

ZanzabumX [31]

Answer:

Yes atoms can accept the electrons from another atom like

Chlorine accept electron from hydrogen.

Explanation:

8 0

2 years ago

Help, please!! If an object with a mass of 4.2 kg accelerates at 2.6 m/s2, what was the force exerted?

Paha777 [63]

10.92N

Force = mass x acceleration
4.2kg x 1.6m/s^2 = 10.92N

6 0

2 years ago

What is the mass of KOH found in a 785 mL of a 1.43 M solution of KOH

My name is Ann [436]

Molarity is defined as the ratio of number of moles to the volume of solution in litres.

The mathematical expression is given as:

$Molarity = \frac{Number of moles}{volume of solution in litres}$

Here, molarity is equal to 1.43 M and volume is equal to 785 mL.

Convert mL into L

As, 1 mL = 0.001 L

Thus, volume = $785\times 0.001$ = 0.785 L

Rearrange the formula of molarity in terms of number of moles:

$Number of moles =molarity\times volume of solution in litres$

n = $1.43 M \times 0.785 L$

= 1.12255 mole

Now, Number of moles = $\frac{mass in g}{molar mass}$

Molar mass of potassium hydroxide = 56.10 g/mol

1.12255 mole = $\frac{mass in g}{56.10 g/mol}$

mass in g = $1.12255 mole\times 56.10 g/mol$

= 62.97 g

Hence, mass of $KOH$ = 62.97 g

7 0

2 years ago

The nation on average uses around 10 Million tons of salt per year to de-ice roads. How many kilograms of salt is this? (please

Westkost [7]

45359237 kilograms :))))))))))

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2 years ago

Proper significant figure: 27.01 + 14.369

Paul [167]

Answer:

<h2>put the bigger number on top then add </h2>

Explanation:

41.369

8 0

2 years ago