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Akimi4 [234]
3 years ago
5

Which liquid would be the most difficult to raise or lower the temperature of

Chemistry
1 answer:
scoundrel [369]3 years ago
6 0

Answer:

its either A or D

H0p3 th1$ H3lp$

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A chemistry student needs 50.0 g of dimethyl sulfoxide for an experiment. By consulting the CRC handbook of chemistry and physic
Ugo [173]

Answer:

45.45 ml of dimethyl sulfoxide

Explanation:

density of dimethyl sulfoxide is 1.10 g/10⁻³L which is 1.10 g/mL

now we devise the next reasoning:

If           1.10 g of dimethyl sulfoxide have a volume of 1 mL

Then     50 g of dimethyl sulfoxide have a volume of X mL

X = (50 × 1) / 1.10 = 45.45 ml of dimethyl sulfoxide

4 0
2 years ago
What are examples of deposition
Elena L [17]

Answer:

withering?

Explanation:

3 0
3 years ago
Calculate the number of moles in the 2.1-L volume of air in the lungs of the average person. Note that the air is at 37.0ºC (bod
adelina 88 [10]
Answer: 0.0826mol

PV=nRT
n=PV/RT
n=(1atm)(2.1L)/(310K)(0.082057L*atm/mol*K)=0.0826mol
7 0
3 years ago
2C2H6(g) + 7O2(g) → 4CO2(g) + 6H2O(g)
Ket [755]

Answer:- 10 L of ethane.

Solution:- The given balanced equation is:

2C_2H_6(g)+7O_2(g)\rightarrow 4CO_2(g)+6H_2O(g)

From this equation, ethane and oxygen react in 2:7 mol ratio, the ratio of volumes would also be same if they are at same temperature and pressure.

Since 14 L of each gas are taken, the oxygen will be the limiting reactant and ethane will be the excess reactant. Let's calculate the volume of ethane used:

14LO_2(\frac{2LC_2H_6}{7LO_2})

= 4LC_2H_6

From above calculations, 4 L of ethane are used. So, excess volume of ethane left after the completion of reaction = 14 L - 4 L = 10 L

Hence, 10 L of ethane will be remaining.

5 0
3 years ago
What chemical property must argon have to make it a suitable choice for light bulbs?
Sedbober [7]
Argon is a suitable choice for light bulbs because it is inert. Compared to a reactive gas like oxygen, the metal filimant would burn up in a reactive environment, which is why a noble gas is used.
7 0
3 years ago
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