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taurus [48]
3 years ago
10

Help me please? I need to pass this tomorrow ​

Chemistry
1 answer:
kramer3 years ago
6 0
Here is what I have come up with, and I have used Mariam Webster for the definitions.
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An arctic weather balloon is filled with 22.6L of helium gas inside a prep shed. The temperature inside the shed is 7°C. The bal
Liono4ka [1.6K]

Answer : The new volume of the balloon is, 22.4 L

Explanation :

Charles' Law : It is defined as the volume of gas is directly proportional to the temperature of the gas at constant pressure and number of moles.

V\propto T

or,

\frac{V_1}{V_2}=\frac{T_1}{T_2}

where,

V_1 = initial volume of gas = 22.6 L

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 7^oC=273+7=280K

T_2 = final temperature of gas = 5^oC=273+5=278K

Now put all the given values in the above formula, we get the final volume of the gas.

\frac{22.6L}{V_2}=\frac{280K}{278K}

V_2=22.4L

Therefore, the new volume of the balloon is, 22.4 L

4 0
3 years ago
When Na forms an ion it loses its outer electron to become Na+. Write the electron configuration for Na and Na+. What element do
Otrada [13]

Answer:

Na: 1s2 2s2 2p6 3s1

Na+: 1s2 2s2 2p6

Na+ electronic configuration resemble that of Neon( 1s2 2s2 2p6)

In general, the electronic configuration of alkali metals ions resemble that of the group zero (noble gas)

3 0
4 years ago
If anyone can answer all these questions you can get 35 points
torisob [31]

Answer:

6) 225.8 g

7) 1.01 g

8) 21.624 g

Explanation:

6) Molar Mass of Lithium Bromine: 86.845

86.845 * 2.6 = 225.8 g

7) Molar Mass of Neon: 20.180

20.180 * 0.05 = 1.01 g

8) Molar Mass of Water Vapor: 18.02

18.02 * 1.2 = 21.624 g

5 0
3 years ago
What is the area of a rectangle<br> that has a base of 6 cm and a<br> height of 18 cm?
Wewaii [24]

Answer:

Area of rectangle = 108 cm²

Given:

Base = 6 cm

Height = 18 cm

Explanation:

Area of rectangle = Base × Height

= 6 × 18

= 108 cm²

4 0
3 years ago
Read 2 more answers
Which of the following statements is TRUE for the following situation:
Mekhanik [1.2K]

Answer:

The electron in xenon are dropping more energy levels than helium

4 0
3 years ago
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