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bija089 [108]
3 years ago
10

Hey need help. this is ONE question a 4 part one though. pls help

Chemistry
2 answers:
denpristay [2]3 years ago
4 0
A. Summer
B. Spring
C. Winter
D. Fall
shusha [124]3 years ago
3 0
I don’t get it. What is the question asking?
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Which of the following statements correctly describes a difference between mechanical waves and electromagnetic waves?
Fudgin [204]

Answer:

<h2>Which of the following statements correctly describes a difference between mechanical waves and electromagnetic waves?</h2><h2><em>:- Mechanical waves require a medium to travel through, whereas electromagnetic waves can travel through empty space.</em></h2>

<em>is the correct</em>

<em>pls mark me as brainliest pls  </em>

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5 0
1 year ago
Read 2 more answers
What is the concentration of a solution in which 10.0 g of AgNO3 is dissolved in 500 mL of solution?
Zigmanuir [339]

molar concentration of AgNO₃ solution = 0.118 mole/L

Explanation:

Because we have the volume of the solution and there is no information about the density of the solution I will asume that you ask for the molar concentration.

number of moles = mass / molecular weight

number of moles of AgNO₃ = 10 / 170 = 0.0588

molar concentration = number of moles / volume (L)

molar concentration of AgNO₃ solution = 0.0588 / 0.5

molar concentration of AgNO₃ solution = 0.118 mole/L

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molar concentration

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6 0
3 years ago
Which of these would be easily soluble in water?<br> a. salt<br> b. oil<br> c. aluminum foil
mote1985 [20]
A) Salt, because salt can easily dissolve in water. Oil would not dissolve or evaporate in water (think of an oil spill - does that oil dissappear?). Aluminum foil would definitely not dissolve in water, so it is not soluble.
5 0
3 years ago
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If 1.2 moles of ideal gas occupy a volume of 18.2 L at a pressure of 1.8 ATM what is the temperature of gas in degrees Celsius.
Novosadov [1.4K]

Answer: A 59.5 degree celcius

The equation that we will use to solve this problem is :

PV = nRT where:

P is the pressure of gas = 1.8 atm

V is the volume of gas = 18.2 liters

n is the number of moles of gas = 1.2 moles

R is the gas constant =  0.0821

T is the temperature required (calculated in kelvin)

Using these values to substitute in the equation, we find that:

(1.8)(18.2) = (1.2)(0.0821)(T)

T = 332.5 degree kelvin

The last step is to convert the degree kelvin into degree celcius:

T = 332.5 - 273 = 59.5 degree celcius

8 0
3 years ago
Which subshell holds the valence electrons of barium?.
olga2289 [7]

Answer:

6s

Explanation:

Barium is in group 2 of the s block and is in period 6.

7 0
2 years ago
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