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777dan777 [17]
2 years ago
15

The identity of an element is defined by its number of _______________. For example, every atom of Carbon has ___ protons and on

ly atoms with 6 protons are __________. However, atoms of the same element can have ________________ number of neutrons. When atoms of the same element have different numbers of neutrons they are called ________________ . Since the mass of an atom is determined by the total number of protons and neutrons, isotopes of the same element will have different __________ despite having the _________ numbers of protons. Also, isotopes of the same element will have similar _____________ behavior. This is because chemical _____________ is based on the number of ____, and isotopes only have different numbers of ____.
Chemistry
1 answer:
DiKsa [7]2 years ago
7 0
In this order.
protons. 6. carbon atom. different. isotopes. atomic masses. same. chemical reaction. reactions. electrons. neutrons.
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96 K = _____ -177°C 0°C 96°C 369°C
velikii [3]
ºC = K - 273

ºC = 96 - 273

= -177ºC

answer A

hope this helps!
6 0
3 years ago
Read 2 more answers
What is the mean free path for the molecules in an ideal gas when the pressure is 100 kPa and the temperature is 300 K given tha
sladkih [1.3K]

Answer:

The mean free path = 2.16*10^-6 m

Explanation:

<u>Given:</u>

Pressure of gas P = 100 kPa

Temperature T = 300 K

collision cross section, σ = 2.0*10^-20 m2

Boltzmann constant, k = 1.38*10^-23 J/K

<u>To determine:</u>

The mean free path, λ

<u>Calculation:</u>

The mean free path is related to the collision cross section by the following equation:

\lambda =\frac{1}{n\sigma }------(1)

where n = number density

n = \frac{P}{kT}-----(2)

Substituting for P, k and T in equation (2) gives:

n = \frac{100,000 Pa}{1.38*10^{-23} J/K*300K} =2.42*10^{25}\  m^{3}

Next, substituting for n and σ in equation (1) gives:

\lambda =\frac{1}{2.42*10^{25}m^{-3}* .0*10^{-20}m^{2}}=2.1*10^{-6}m

6 0
3 years ago
Science question down below
Lorico [155]
I believe its D. They can perform more functions.
6 0
3 years ago
Read 2 more answers
Which of these processes take place at the same temperature?
Elodia [21]

Answer:

the person above me is very right

Explanation:

7 0
2 years ago
A pendulum _______ energy with each swing.<br><br> a.)<br> gains<br> b.)<br> loses
meriva

Answer: b) loses.

Explanation: As the pendulum swings back and forth, the balance between the two types of energy changes constantly. At some points in its swing, the pendulum has more kinetic energy. At other points, it has more potential energy. No pendulum can swing forever because the system loses energy on account of friction.

8 0
3 years ago
Read 2 more answers
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