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Xelga [282]
3 years ago
5

Which statement best summarizes this part of kafka's the metamorphosis?

Chemistry
2 answers:
podryga [215]3 years ago
8 0

the correct answer is b or d but i think its b


Andrew [12]3 years ago
8 0

Answer:

Just Took the test C is the correct Answer

Explanation:

~Apex Approved.

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The following thermochemical equation is for the reaction of methane(g) with water(g) to form hydrogen(g) and carbon monoxide(g)
Andrei [34K]

Answer:

54.075KJ

Explanation:

Since methane is the limiting reactant.

From the reaction equation,

16 g of methane absorbs 206 KJ of energy

4.20 g of methane will absorb 4.20 × 206/16 = 54.075KJ of energy was absorbed.

From the equation, the value of the enthalpy of reaction is positive, this means that energy is absorbed in the reaction of methane and water. Hence the answer.

6 0
2 years ago
Determine the number of moles of air present in 1.35 L at 750 torr and 17.0°C. Which equation should you use? COMPLETE What is t
xxTIMURxx [149]

Answer:

0.0559 mol

Explanation:

Step 1: Given and required data

  • Volume of air (V): 1.35 L
  • Pressure of air (P): 750 torr
  • Temperature (T): 17.0 °C
  • Ideal gas constant (R): 0.0821 atm.L/mol.K

Step 2: Convert "P" to atm

We will use the conversion factor 1 atm = 760 torr.

750 torr × 1 atm/760 torr = 0.987 atm

Step 3: Convert "T" to Kelvin

We will use the following expression.

K = °C + 273.15

K = 17.0 °C + 273.15 = 290.2 K

Step 4: Calculate the number of moles of air

If we assume air behaves as an ideal gas, we can calculate the moles (n) of air using the ideal gas equation.

P × V = n × R × T

n = P × V/R × T

n = 0.987 atm × 1.35 L/(0.0821 atm.L/mol.K) × 290.2 K = 0.0559 mol

4 0
2 years ago
A cough syrup has a density of 1.20 g/mL. A doctor orders 48.0 of the syrup for a sick child. How many teaspoons will you admini
Anarel [89]

Answer:

because I want to save life

6 0
3 years ago
Water is an example of a
d1i1m1o1n [39]
Water is an example of a compound. It is a compound because it is made up of two hydrogen atoms and one oxygen atom hence its formula H2O.


8 0
3 years ago
Which physical property and change in matter is utilized by distillation to separate two liquids in a mixture?
Schach [20]

Answer:

Boiling points

Liquid to gas

Explanation:

For distillation, the differences in boiling points of the liquids in the column is utilized for this separation.

The change in matter involved a state change of liquid to vapor or gaseous form.

  • Distillation is used to separate different liquids in a mixture.
  • A liquid - liquid mixture is separated into components due to their appreciable boiling point differences.
  • The method is used for purifying liquids.
  • The solution is boiled in a distillation flask to vaporization.
5 0
3 years ago
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