Questions Answered

Christians4:
Group Title
An unknown compound contains only carbon, hydrogen, and oxygen (CxHyOz). Combustion of 2.50g of this compound produced 3.67g of carbon dioxi…
 updated one year ago
 3 replies
 1 Medal

Christians4:
Group Title
What are the subunits called that make up DNA?
Is it Nucleotides or Phosphate/Nitrogen bases/sugars?
 updated 2 years ago
 9 replies
 1 Medal

Christians4:
Group Title
Which of these in an equivalent trigonometric expression for sinx:
A. cos(pi/2  x)
…
 updated 2 years ago
 9 replies
 3 Medals

Christians4:
Group Title
So I understand and I got my answer finally but I don't understand one thing.
Question was:
…
 updated 2 years ago
 9 replies
 No Medals Yet

juanjohnguy:
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Why is 2 + 2 =4?
 updated 2 years ago
 2 replies
 1 Medal

Christians4:
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Prove:
(sinx + cosx) (Tan^2x+1/tanx) = 1/cosx + 1/sinx
…
 updated 2 years ago
 34 replies
 1 Medal

Christians4:
Group Title
Prove:
 updated 2 years ago
 34 replies
 1 Medal

Christians4:
Group Title
Prove:
(sinx + cosx) (Tan^2x+1/tanx) = 1/cosx + 1/sinx
…
 updated 2 years ago
 7 replies
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macklee:
Group Title
1. When performing this experiment, a student mistakenly used impure KHP to standardize the NaOH solution. If the impurity is neither acidic…
 updated 2 years ago
 1 reply
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Christians4:
Group Title
Prove: 1 + sinx = sinx (1+cscx)
I would use the reciprical identity:
…
 updated 2 years ago
 8 replies
 1 Medal

Christians4:
Group Title
Prove that cosx = sinxcotx
Step by step please!
 updated 2 years ago
 5 replies
 1 Medal

Christians4:
Group Title
A steel rod and a chain are used to fully suspend a 33 kg sign. Find the sideways normal force that the rod exerts to the right.
 updated 2 years ago
 82 replies
 2 Medals

POLLO1294:
Group Title
Use the SI preﬁxes to convert these hypothetical units of measure into appropriate quantities. Express 59 rations in dekarations. Answer in …
 updated 2 years ago
 4 replies
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college:
Group Title
a) Describe the structure of the ATP and GTP molecule.
b) Explain how chemiosmosis produces ATP.…
 updated 2 years ago
 1 reply
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Christians4:
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What did Joachim Hammerling learn from Previous Scientists about DNA?
 updated 2 years ago
 2 replies
 2 Medals

yasminecarter3:
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what are the four fundamental forces in our universe ?
 updated 2 years ago
 3 replies
 2 Medals

Christians4:
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Please help!
A rocket of mass 1.0x10^3kg is being fired to a height of 5.0 x 10^3 m. The rocket engine shuts off when the rocket reaches …
 updated 2 years ago
 5 replies
 1 Medal

Christians4:
Group Title
Having a bit of problems with C4 and CAM plants...I think i know that C4 plants and CAM plants both use PEP carboxylase and that really the …
 updated 2 years ago
 20 replies
 2 Medals

Christians4:
Group Title
Rate My Answer Please Out of 10. (10 Being the best)
…
 updated 2 years ago
 12 replies
 2 Medals

mridrik:
Group Title
How do plants create lipids, carbohydrates, proteins, and nucleic acids all from photosynthesis?
 updated 2 years ago
 4 replies
 2 Medals

Christians4:
Group Title
Need help with this Radian/Degree Question...
The moon has a diameter of about 3480 km and an orbital radius of about 384000km from the c…
 updated 2 years ago
 2 replies
 1 Medal

burhan101:
Group Title
What does NADH have that is essential to the ETC?
 updated 2 years ago
 2 replies
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HaleyT:
Group Title
Describe the ADP molecule and it's function within a cell.
 updated 2 years ago
 6 replies
 1 Medal

burhan101:
Group Title
why does NADH+H+ from glycolysis only make two ATP instead of three ?
 updated 2 years ago
 2 replies
 1 Medal