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Burka [1]
3 years ago
5

In most mirrors, the virtual image appears to come from behind the mirror. True False

Chemistry
1 answer:
BigorU [14]3 years ago
7 0

Answer

False

Explanation:

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Place the following compounds in order of decreasing strength of intermolecular forces. I. CH3CH2CH2CH2CH2CH3 II. (CH3)3CCH3 III
Vitek1552 [10]

Explanation:

Strength of intermolecular forces depends on the number of carbon atoms present in a compound. More is the number of carbon atoms attached linearly  to each other more will be the surface area occupied by it. Hence, more is the strength of the compound.

This means that more is the branching present in a compound or lesser is the number of carbon atoms present in it then less will be the strength of intermolecular forces in the compound.

Thus, we can conclude that given compounds are placed in order of decreasing strength of intermolecular forces as follows.

CH_3CH_2CH_2CH_2CH_2CH_3 > (CH_3)_3CCH_2CH_3 > (CH_3)_3CCH_3      

7 0
3 years ago
Find the liters of 1.112 moles of CO
Nuetrik [128]

Answer:

24.9

Explanation:

4 0
2 years ago
Read 2 more answers
When copper is bombarded with high-energy electrons, X rays are emitted. Calculate the energy (in joules) associated with the ph
Scrat [10]

Answer:

E = 12.92 × 10^(-16) J

Explanation:

Formula for energy is;

E = hc/λ

Where;

h is Planck's constant = 6.63 x 10^(-34) J.s

c is speed of light = 3 × 10^(8) m/s

λ is wavelength = 0.154 nm = 0.154 × 10^(-9) m

E = (6.63 x 10^(-34) × 3 × 10^(8))/(0.154 × 10^(-9))

E = 12.92 × 10^(-16) J

6 0
3 years ago
Which of the following is the correct formula to calculate percent by mass? [Mass of solution (g) + mass of solute (g)] × 100 [M
cricket20 [7]

Answer:

Percent by mass is calculated by tihis formula, Mass of solute (g) ÷ mass of solution (g)] × 100.

Explanation:

For example: if you have a solution 45% m/m (mass percentege), you have 45 g of solute in 100 g of solution.

7 0
3 years ago
Read 2 more answers
Which of the following is not a part of the ideas john dalton proposed in his model
NNADVOKAT [17]

The following which is not a part of  Dalton atomic theory is the properties of atoms of the same elements can be different . Thus option B is correct.

<h3>What is Dalton atomic theory?</h3>

Dalton has proposed his theory in three parts and each part stated that

The first portion of his theory asserts that all stuff is made up of indivisible atoms.

According to the second section of the theory, all atoms of a given element have the same mass and characteristics.

Compounds, according to the third section, are combinations of two or more different types of atoms.

Dalton has given three laws

  • Law of conservation of mass
  • Law of definite proportion
  • Law of multiple proportion

Thus, the following which is not a part of  Dalton atomic theory is the properties of atoms of the same elements can be different . Thus option B is correct.

To learn more about Dalton atomic theory, refer to the link below:

brainly.com/question/11855975

#SPJ1

Your question is incomplete, but your complete question was

which of the following is not a part of the ideas john dalton proposed in his model

A. All matter is composed of indivisible atoms.

B. The properties of atoms of the same element can be different.

C. Compounds form when atoms combine in whole number ratios.

D. An atom can neither be created nor destroyed.

4 0
1 year ago
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