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Gnesinka [82]
3 years ago
8

An atom has 15 protons, 15 electrons and 16 neutrons. What is the atomic

Chemistry
2 answers:
belka [17]3 years ago
8 0

Answer:

Atomic number = 15( sum of protons in the nucleus of an atom)

Mass number = 31(total number of neutrons and protons in the nucleus of an atom)

maks197457 [2]3 years ago
6 0

Answer:

atomic number=15

mass number=31

Explanation:

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The density of a sample of F2(g) is 1.559 g/L. If the gas is held at 755 torr, calculate the temperature.
4vir4ik [10]

Answer:

The temperature is 590,10 K

Explanation:

As stated, we understand that there is one mole of F2, which is equivalent to 37.9968x2 grams = 75.936 grams. The unit of Torr is converted to atm, 1 Torr = 0.0013 atm, and with the data of grams it is converted into volume through density:

density = m / v ---> v = m / density = 75,936 g / 1,559 g / l = 48, 708 l

Exactly the formula PV = nRT

n = number of moles (according to what is interpreted in the sentence is 1 mole)

P = pressure 755 Torr (converted to atm 755Torr / 0.0013 atm / Torr = 0.99344 atm)

R = value constant 0.082 l x atm / K x mol

T = is our mystery (in degrees Kelvin)

0.99344 x 48, 708 l = 1 mol x 0.082 l x atm / K x mol x X

X = 0.99344 x 48, 708 l / 1 mol x 0.082 l x atm / K x mol

X = 590, 10 K

The temperature is 590.10 K

7 0
3 years ago
A high concentration of water has ____________ dissolved particles than a low water concentration.
N76 [4]

A high concentration of water has <u>fewer</u> dissolved particles than a low water concentration.

Most cell membranes are not as easily permeable to many dissolved compounds as water is. There is a quick and constant flow of water. From one area with less dissolved matter to another with more, water transports NET. Or, if you want, from an area with a lot of water to one with little water. The terms isotonic, hypotonic, and hypertonic refer to the concentration of dissolved material. In a medium, such as the extracellular fluid, every distinct material has a concentration gradient that is unique from the gradients of other substances. Every substance will diffuse in line with that gradient as well.

Learn more about Concentration here-

brainly.com/question/10725862

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3 0
2 years ago
How many grams of glucose (C6H12O6) can be formed from 22 grams of CO2?
Shkiper50 [21]
The catabolism of glucose has an equation of C6H12O6 + 6O2 = 6CO2 +6 H20. Hence for every mole of glucose, 6 moles of CO2 is produced. Given 22 grams of CO2, that is 0.5 mol CO2, we multiply this by 1/6, we get the number of moles of glucose equal to 1/12 mol. The mass of glucose needed is obtained by multiplying this by molar mass of glucose which is 180 g/mol. This is equivalent 15 grams of glucose.
8 0
3 years ago
A
ValentinkaMS [17]

Answer: ...

Explanation:

8 0
3 years ago
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In a salt water solution, what is the water?
antoniya [11.8K]
A solute, hope it helps
7 0
3 years ago
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