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Timofey
Questions (28)
Each orange tree grown in California produces 720 oranges per year if not more than 20 trees are planted per acre. For each
1 answer
595 views
Estimate the difference in energy produced when we burn 1kg of carbon vs producing nuclear energy from 1kg of U-235.
C + O2(g) ->
1 answer
511 views
When sodium burns in air it produces a bright white light and heat energy
2Na + O2 2Na2O ?H = -414kJ/mol What would you expect to
2 answers
463 views
When sodium burns in air it produces a bright white light and heat energy
2Na + O2 2Na2O ?H = -414kJ/mol What would you expect to
1 answer
507 views
5. What volume would 27g of neon at 2 atm pressure and 50°C occupy?
I have solved the problem correctly, but I am not sure if I
2 answers
605 views
Estimate the number of moles of gas (and mass of gas assuming that it is all N2) inside your family car (or a friends if you
1 answer
566 views
If 10g of NO react with 20g of O2, what is the maximum amount of NO2 that can be produced?
My answer is Mol NO = 10/30 = 0.333
1 answer
536 views
Calculate the volume occupied by 200g of steam at 200 °C and 0.5 atm.
is my answer correct: PV = nRT V = nRT/P V = gRT/mm P V =
1 answer
628 views
A gas initially at STP is heated to 50°C keeping the volume constant. What is its new pressure?
I used this formula: P1 = 1 atm
1 answer
585 views
What happens if you add more solute to a saturated solution?
1 answer
949 views
If 10g of NO react with 20g of O2, what is the maximum amount of NO2 that can be produced? How do I know exactly which is
7 answers
1,175 views
What is the mass of a sample of acetylene gas (C2H2)that contains 4.44 x 1034 atoms of carbon?
Also, Im not sure how to convert
2 answers
576 views
How many grams of fluorine are required to react with 100g of NaBr in the following reaction: F2 + 2NaBr --> 2NaF + Br2
Also,
4 answers
654 views
is 2 molecules of fluorine the same as 2 fluorine molecules? if so then how/why
1 answer
321 views
how many outer shell electrons does a carbon atom have using periodic table?
1 answer
453 views
Whats the charge on a carbon cation??
I believe it is a positive charge, but does it have a number along with it?? not sure..
0 answers
411 views
How many moles of ammonia are produced when 2.5 moles of nitrogen are reacted with hydrogen?
2 answers
1,832 views
How many moles of P4O10 are produced when we react 8 moles of phosphorous with oxygen? I know the answer is:
4 mol P produces 1
1 answer
1,139 views
How many moles of P4O10 are produced when we react 8 moles of phosphorous with oxygen? I know the answer is:
4 mol P produces 1
1 answer
1,216 views
How many moles of butane do we need to produce 10 moles of CO2 by reaction with oxygen? I think the balanced equation is 2 C4H10
2 answers
1,957 views
How many moles of butane do we need to produce 10 moles of CO2 by reaction with oxygen? I think the balanced equation is 2 C4H10
1 answer
566 views
Write a balanced chemical equation for the combustion of trioleylglycerol.
The molecular formula is C57H110O6.
1 answer
949 views
Write a balanced chemical equation for the combustion of trioleylglycerol. molecular formula C57H110O6
1 answer
576 views
how much heat is produced when the body metabolizes a gram of trioleylglycerol?
I know that the combustion of triolelglycerol is
1 answer
535 views
A club has 45 members and its membership committee has 7 members. How many different membership committees are possible?
I keep
1 answer
1,313 views
Find the sum of the terms of the finite geometric sequence 1, -2, 4, -8, ...,-8192.
4 answers
1,990 views
Prove via Mathematical Induction that
(7*n) - 1 is divisible by 6. I have that it is divisble when n=1, but not n=2 and so on.
1 answer
539 views
Use mathematical induction to prove that the statement holds for all positive integers. Also, label the basis, hypothesis, and
1 answer
592 views
Answers (14)
To follow that link above, just put w w w. ahead of that web link
In graphite, the C-C bonds in the planes are very strong, but the force between the different planes is quite weak, and they can slip over one another. This explains the "soft" feel of graphite, and the fact that it is used as a lubricant, for example in
The Global Issue of Hepatitis C Hepatitis C Virus Infection Hepatitis C and its Prevention Nursing and Hepatitis C A Sexually Transmitted Disease: Hepatitis C Characteristics of Hepatitis C Hepatitis C: Diagnosis and Treatment Hope this Helps!
Submissive - inclined or ready to submit ; unresistingly or humbly obedient Makes more sense than 'responsive' in the sentence above. Using submissive, gives the sentence better structure and its adequate word choice.
I will do that, thanks for your help once again DrBob222.
I guess so, thanks "K"
Am i solving this correctly, according to my answer/posts above??
This was my answer, but it was wrong: 2NO + O2 ----> 2NO2 Molar Mass NO2 = 46g/mol Molar mass NO = 30g/mol Molar Mass O2 = 32g/mol 0.333 mols NO x 46g NO2/1mol NO = 15.3g NO2 mols NO = 10g NO/30g/1mol NO = 0.333 mols NO mols O2 = 20g O2/32g O2/1mol O2 =
If 10g of NO react with 20g of O2, what is the maximum amount of NO2 that can be produced?
How do i illustrate the Fluorine correctly in relation to the conversion factors??
This is what I have, but teacher said I am showing the fluorine wrong somehow: F2 + 2NaBr ---> 2NaF + Br2 Moles NaBr = 100g NaBr/102.8938g NaBr/ 1mole NaBr =0.972 moles NaBr Moles F2 needed = 0.972 moles NaBr/2 molecules F/1mole NaBr =0.486 moles F2 mass
Thnx, DrBob for that last answer to my question btw
I have sum of 2731 is correct?
How do i find the sum?
