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Orlov [11]
4 years ago
12

Which term describes this molecular shape?

Chemistry
2 answers:
worty [1.4K]4 years ago
4 0

Answer: C

Explanation:

Leno4ka [110]4 years ago
4 0

Answer:

its b

Explanation:

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You have a silver ring that has a mass of 64.5 grams. (c=0.233 J/g°C)
FinnZ [79.3K]

Answer: it is A

Explanation:

4 0
3 years ago
Calculate the specific heat of water if 16.736 J of energy are required to heat 2.000
Temka [501]

Answer:

The specific heat of water is Cp = 4.184 \frac{J}{g.^{o}C}

Explanation:

1. The specific heat can be expressed as:

Cp=\frac{Q}{m(T_{2}-T_{1})}

where Q is the energy, m is the mass of water, and T2-T1 express the change in the temperature.

2. Replace values for mass, energy and temperature:

Cp=\frac{16.736J}{(2.000g)*2.000^{o}C}}

3. Solve the equation to obtain the specific heat of water:

Cp=4.184\frac{J}{g.^{o}C}

6 0
3 years ago
Uranium-238 decays very slowly.its half-life is 4.47 billion years.
coldgirl [10]
13.4 billion years is 3 times of the half-life, 4.47 billion years. So the Uranium-238 will go through three times of half decay. So the remain percentage will be 50%*50%*50%=12.5%.
6 0
3 years ago
Read 2 more answers
Which of tge following is an example of a chemical change
Effectus [21]
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8 0
3 years ago
A monatomic ideal gas in a rigid container is heated from 206 K to 335 K by adding 8280 J of heat. How many moles of gas are the
GalinKa [24]

Answer: 5.14 moles

Explanation:

heat supplied:  8280 J

The formula used for heat absorbed by an ideal gas:

q=n\times C_v\times (T_2-T_1)

where,

q = heat absorbed = 8280 J

C_v = for monoatomic gas = \frac{3}{2}R

n = number of moles

R = gas constant = 8.314 J/Kmol

T_1 = initial temperature = 206 K

T_2 = final temperature  = 335 K

Now put all the given values in the above formula,

8280J=n\times \frac{3}{2}\times (8.314J/Kmol)\times (335-206)K

n=5.14

Thus there are 5.14 moles of gas in the container.

3 0
3 years ago
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