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mafiozo [28]
3 years ago
7

Consider just the first sentence of this multistep word problem. Sentence 1: The sum of the ages of a brother and sister is 26.

Give an equation that represents this statement using b as the age of the brother and s as the age of the sister. Express your answer in terms of the symbols b and s.
Chemistry
1 answer:
kiruha [24]3 years ago
5 0

Answer:

a. b + s = 26

b. b = 26 — s

Explanation:

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Who developed the idea of electron shells also called orbital shells
alexandr402 [8]

Answer: Niels Bohr

Explanation:

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3 years ago
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The pressure inside a gas cylinder is 3,506 mmHg ,how many atmospheres of pressure is the gas exerting on the cylinder
Lorico [155]

Below are the choices:

a)0.2168 atm

b)4.613 atm

c)34.60 atm

d467.4 atm

B is correct answer.


4 0
3 years ago
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Classify each statement as a property of ethers, alcohols, or both ethers and alcohols?
natita [175]

Explanation:

1. Only alcohols forms hydrogen bond  between themselves and with other compounds containing an O-H, N-H, or F-H bond, such as water.

2. Alcohols up to 4 carbons are miscible in water because they have hydrogen bonded to oxygen and can form hydrogen bond with water. However, it is not possible for ethers.

3. When comparing ethers and alcohols of similar molecular weights, ethers have lower boiling point than alcohol. This is because of the presence of hydrogen bond in alcohols.

8 0
3 years ago
25g of gold with initially 27grade centigrade what is the final temperature uppon absorbing 2.3kj of heat
dezoksy [38]

The final temperature of the mass of gold is  737 °C.

<h3>What is the specific heat capacity of gold?</h3>

The specific heat capacity of gold is 0.126 J/g/K

The final temperature, T2 of the gold is calculated as follows:

T2 = T + Q/mc

where;

T is initial temperature, m is mass, and c is specific heat capacity of gold.

T2 = 27 + 2.3 x 1000/(25 x 0.126)

T2 = 737 °C

Therefore, the mass and heat capacity of gold determines its final temperature.

Learn more about specific heat capacity at: brainly.com/question/27862577

#SPJ1

7 0
2 years ago
How could an alpha particle pass straight through the metal foil and strike the center of the phosphor screen on the other side
djverab [1.8K]
I think you refer to  Rutherford's Gold Foil Experiment alpha particles pass through because of the enormous amount of empty space inside the atom. 


>>>more details here<<<
to have its trajectory affected the alpha particle has to pass "near" the nucleus to interact with the positive charge of the nucleus.
the fact is that internally the gold atoms are basically empty space and the nucleus represents only a small portion of the entire volume. only few alpha particles pass near the nucleus 

picture added><><**><>< below}{<{>} 
-gio-chealafi- hope this helps you, have a nice rest of the day. ily all!!

8 0
3 years ago
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