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Ilia_Sergeevich [38]
2 years ago
15

A neutral atom has the atomic number 16 and a mass number of 33; how many protons, neutrons, and electrons are found within the

atom?
33 protons, 33 electrons, and 16 neutrons

16 protons, 17 electrons, and 16 neutrons

33 protons, 17 electrons, and 17 neutrons

16 protons, 16 electrons, and 17 neutrons
Chemistry
2 answers:
Pachacha [2.7K]2 years ago
7 0
16 protons, 16 electrons and 17 neutrons
Oxana [17]2 years ago
3 0

Answer: The neutral atom contains, 16 protons, 16 electrons, and 17 neutrons.

Explanation:

Atomic number is defined total number of protons present in the nucleus of the atom or number of electrons present in an atom. It is represented by symbol Z

Atomic mass is defined as sum of number of neutrons and protons .It is represented by symbol A

A = number of neutrons + number of protons

33 = number neutrons + 16

number of neutrons = 33 - 16 = 17

Number electrons = Number of protons = 16 (For neutral atom)

So, the neutral atom contains, 16 protons, 16 electrons, and 17 neutrons.

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Explanation:

(1) Nuclear reactions involve a change in an atom's nucleus, usually producing a different element. Chemical reactions, on the other hand, involve only a rearrangement of electrons and do not involve changes in the nuclei. ... (3) Rates of chemical reactions are influenced by temperature and catalysts.

6 0
3 years ago
A gas evolved during the fermentation of sugar was collected at 22.5°C and 702 mmHg. After purification its volume was found to
miskamm [114]

Answer:

A) 0.95 mol

Explanation:

We will assume the gas given off in the fermentation is an ideal gas because that allows us to use the ideal gas equation.

PV  = nRT

First let's convert all measurements to units that we can use

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R = 0.08206 L-atm/mol-K

T = 22.5 °C +273.15 = 295.65 K

PV  = nRT

0.92368 atm * 25.0 L = n * 0.08206 L-atm/mol-K * 295.65 K

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4 0
3 years ago
What is the temperature of 0.5 moles of water vapor that occupies 120 dm3 and applies a pressure of 15,000 Pa to its container?
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PV = nRT

so, T = PV / nR

n=0.5
V= 120 dm^3 = 120 L  (1 dm^3 = 1 L)
R = 1/12
P = 15,000 Pa =  0.147 atm     (1 pa = 9.86 10^{-6} )

Put the values:

T = PV / nR
T = (0.147) (120) / (0.5) (1/12)
T= 426 K
6 0
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Explanation:

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