Questions Asked

Christians4:
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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
A race driver has made a pit stop to refuel. After refueling, he starts from rest and leaves the pit area with an acceleration whose magnitu…
 updated one year ago
 No Medals Yet

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:
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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

Christians4:
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What is an ambassador? And what do they do?
 updated one year ago
 12 replies
 7 Medals

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:
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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
 No Medals Yet

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

Christians4:
Group Title
What did Joachim Hammerling learn from Previous Scientists about DNA?
 updated 2 years ago
 2 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

Christians4:
Group Title
Where are the enzymes located that are required for CO2 fixation in plants?
…
 updated 2 years ago
 1 reply
 1 Medal

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

Christians4:
Group Title
Why does phosphoglyceraldehyde have more free energy than three molecules of CO2? Where did the three CO2's come from in the first place?
 updated 2 years ago
 1 reply
 No Medals Yet

Christians4:
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"One molecule of phosphoglyceraldehyde has more energy than three carbon dioxide molecules, because phosphoglyceraldehyde contains some of t…
 updated 2 years ago
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