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MeGaTrOn
Questions (9)
For oxidation of iron
4Fe+3O2=2Fe2O3 the entropy change is -549.45JK^-1mol^-1 at 298K. Though it has negative entropy change in
2 answers
2,515 views
Compound Interest: You deposit $1000 in an account with an annual interest rate of r (in decimal form) compounded monthly. At
1 answer
1,259 views
y + ((4x^2)/(3-x)) ^3
y ' = ? Product Rule didn't work here ...I think the Quotient rule but the cube on end has me stumped
1 answer
421 views
Find the normal to the curve x=tt+1x=tt+1 and y=tt−1y=tt−1 at the point T where t = 2.
I tried converting this into one
3 answers
730 views
PQ and RS are two sparingly soluble salts.Their solubility products are equal to 4.0×10^(-18). Which salt is more soluble
1 answer
981 views
A sample of 2.50 g LiI is added to 75.0 mL of water initially at 21.0°C. After stirring and dissolving, the temperature of the
1 answer
591 views
calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.9g in enough water to form 250ml of solution
2 answers
1,149 views
calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.3g in enough water to form 250ml of solution
1 answer
707 views
calculate the molarity of sodium carbonate in a solution prepared by dissolving 5.3g in enough water to form 250ml of solution
3 answers
875 views
Answers (2)
Find the normal to the curve X=t÷[t+1] and Y=t÷[t-1]at point T where t=2. I tried converting this into one equation Y=x(t+1)÷(t-1) but don't see how to get the answer which says: dy÷dx=-(t+1)^2÷(t-1)^2 and that T=(2÷3,2), 3x−27y+52=0 Is this ok
Not given
