you find out that 5.00ml of a solution of H3PO4 takes 7.85ml of 0.18 M Ba(OH)2 to reach the equivalence point. What is the molarity of the H3PO4 solution
At room temperature (20), milk turns sour in about 65 hours. In a refrigerator at 3, milk can be stored three times as long before it sours. What is the activation energy of the reaction tht causes the souring of milk?
The wheels on a particular moving car rotate 486 times per minute. Find the rotational period of the tires.
Find the frequency of small oscillations for a thin homogeneous plate if the motion takesplace in the plane of the plate and if the plate has the shape of an equilateral triangle andis suspended (a) from the midpoint of one side and (b) from the apex.
chemical equation for 3-nitroacetophenone using tin and hydrochloric acid
Due to the lack of an enzyme to break down lipids, excess accumulation of lipids in the brain leads to a human disease called Tay Sachs syndrome. Which organelle is likely to be the one that lacks the proper enzyme needed for lipid breakdown? -lysosome-tonoplast-mitochondrion-Golgi apparatus-peroxisome
What is the acceleration of a 37 kg block of cement when pulled sideways with a net force of 204 N
1. Give the formula or the name of the following hydrated salts:a. cobalt(II) chloride hexahydrate b. iron(II) sulfate heptahydratec. CaCl2 x 2H2Od. Cu(NO3)2 x 3H2O 2. The mass percent of water in a hydrate of MnCl2 is 36.41%. What is the formula of the hydrate?3. A hydrated compound has analysis of 18.29% Ca, 32.37% Cl,and […]
suppose the gravitational force between two massive spheres is 100 N. If the distance between the spheres is doubled, what is the force between the masses?
A)Supposing that it remains at that value all the way to absolute zero, calculate the number of calories it would take to change a 0.50g ice cube at absolute zero (-273 degree C}) to 0.50 g of boiling water.B)How does this number of calories compare with the number of calories required to change the same […]
