Answers
Answer:
The answer is 85.71 mL
Explanation:
The new volume can be found by using the formula for Boyle's law which is
where
P1 is the initial pressure
P2 is the final pressure
V1 is the initial volume
V2 is the final volume
Since we are finding the new volume
We have
We have the final answer as
85.71 mL
Hope this helps you
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The number-average molecular weight of a polypropylene is 663419 g/mol. Compute the degree of polymerization (Key in your answer as the whole number only. Avoiding round-off error by using all the numbers during intermediate steps.
What action is NOT necessary before lighting a Bunsen burner?A)Make sure there are no holes in the hose connected to the burner.B)Leave the gas stop open for a few minutes before lighting to clear the line.C)Clear the burner area of flammable materials such as solvents and papers.D)Check that the gas regulator and air inlet on the burner can be adjusted.
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The combustion of ethane (C2H6) produces carbon dioxide and steam. 2C2H6(g)+7O2(g)⟶4CO2(g)+6H2O(g) How many moles of CO2 are produced when 5.90 mol of ethane is burned in an excess of oxygen?
Answers
Answer:
20 mL
Explanation:
We can determine the required volume of the concentrated (17.5 M) H₂SO₄ solution by using the C₁V₁=C₂V₂ formula:
- 17.5 M * V₁ = 14.00 M* 100 mL
- V₁ = 80 mL
As out of the 100 mL of the final solution, 80 mL are from the concentrated H₂SO₄ solution, the remaining 20 mL are of water (H₂O).
Answers
Answer:
This reaction is spontaneous for temperature lower than 3722.1 Kelvin or 3448.95 °C
Explanation:
Step 1: Data given
ΔH = −320.1 kJ/mol
ΔS = −86.00 J/K · mol.
Step 2: Calculate the temperature
ΔG<0 = spontaneous
ΔG= ΔH - TΔS
ΔH - TΔS <0
-320100 - T*(-86) <0
-320100 +86T < 0
-320100 < -86T
320100/86 > T
3722.1 > T
The temperature should be lower than 3722.1 Kelvin (= 3448.9 °C)
We can prove this with Temperature T = 3730 K
-320100 -3730*(-86) <0
-320100 + 320780 = 680 this is greater than 0 so it's non spontaneous
T = 3700 K
-320100 -3700*(-86) <0
-320100 + 318200 = -1900 this is lower than 0 so it's spontaneous
The temperature is quite high because of the big difference between ΔH and ΔS.
This reaction is spontaneous for temperature lower than 3722.1 Kelvin or 3448.95 °C
Answers
the aswer is g/ml hope is helpful
Answers
Answers
Answer:
You can eat one chunk white tuna of 6 oz every 21,5 minutes
And, you can eat one chunk linght tuna of 6 oz every 5 minutes
Explanation:
The exposure to mercury may cause serious health problems, and is a threat to the development of the child in utero and early in life.
If you weight 68 kg you can eat:
68 kg * 0,1mgHg/ kg = 6,8 mg Hg per day
- Chunk white tuna contains 0,6 mg Hg/kg
Thus, you can eat:
6,8 mg Hg * 1 kg tuna/ 0,6 mg Hg = 11,33 kg of chunk white tuna per day
In ounces:
11,33 kg * 35,274oz/ 1 kg = 400 oz per day
You can eat 66,7 6 ounces of chunk white tuna per day. One every 21,5 minutes
- Chunk light tuna contains 0,14 mg Hg/kg
Thus, you can eat:
6,8 mg Hg * 1 kg tuna/ 0,14 mg Hg = 48,57 kg of chunk white tuna per day
In ounces:
48,57 kg * 35,274oz/ 1 kg = 1713 oz per day
You can eat 285,6 6 ounces of chunk white tuna per day. One every 5 minutes
I hope it helps!
B. magnetism
C. electromagnetic force
D. gravity
Answers
Answer:
✨Gravity✨ hope this helps
Explanation: