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marishachu [46]

2 years ago

11

what object experiences a frequency equal to its natural frequency _______ is said to have occurred. 1. resonance 2. frequency 3

. diffraction 4. amplitude

1 answer:

Talja [164]2 years ago

8 0

Amplitude is the awnser glad I could help you

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Suppose that in an ionic compound, "m" represents a metal that could form more than one type of ion. in the formula mf2 , the ch

geniusboy [140]

F (Fluorine) is in column (group/family) VIIA, or the "halogens". When you see the halogens (Fluorine, Chlorine, Bromine, and Iodine) in combination with a metal, each halogen atom present will carry a -1 charge. We can see that the atom has no charge, so the metal must cancel out the negative charges brought by the two fluorine atoms.
(Charge on m) + 2*(charge on fluorine) = 0
(Charge on m) + 2*(-1) = 0
(Charge on m) - 2 = 0
Charge on m ion = +2

3 0

2 years ago

For acidic solutions, which element is added to balance half-reactions

mina [271]

For balancing acidic solutions, we would need to add H+ ions to the correct side of the equation to balance the total number of atoms and the overall charge.

6 0

3 years ago

Read 2 more answers

What is the balanced chemical equation for this reaction? H3PO4 + HCl → PCl5 + H2O Question 7 options: H3PO4 + 5HCl → PCl5 + H2O

WITCHER [35]

Answer:

It's the last option.

Explanation:

H3PO4 + 5HCl → PCl5 + 4H2O

4 0

2 years ago

The transfer of thermal energy between two bodies at different temperatures is known as

EastWind [94]

Conduction.......................

3 0

2 years ago

How many moles are 7.25 x 1023 formula units of Mgo ?

romanna [79]

Answer:

<h2>The answer is option D</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{7.25 \times {10}^{23} }{6.02 \times {10}^{23} } = \frac{7.25}{6.02} \\ = 1.2043189368...$

We have the final answer as

<h3>1.20 moles</h3>

Hope this helps you

6 0

2 years ago