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The reaction of methane and water is a way to prepare hydrogen according to CH4 (g) + H2O = Co2 (g) + H2 (g) a) If 995 g of CH4 reacts with 2510 g of water, how many moles of reactants and products
The potential energy of two small particles in water is approximately: Write down a formula for the force between them
For each of the following reactions, identify which reactant is the Lewis acid. Select 1 if the first listed reactant is the Lewis acid or 2 if the second listed reactant is the Lewis acid
After two days, only one-quarter of a radioactive sample remains. What is the half life of the nuclei
Calculate the mass percent composition of carbon in each the following carbon compounds. Express your answer using 4 significant figures. C4H10 C6H10 C8H13O5N
With aqueous H2CrO4, compound A was oxidized to an optically inactive dicarboxylic acid C, C6H10O4. Give structures for compounds A, B, and C; do not specify stereochemistry
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
Use the enthalpies of bond formation to rationalize why nitrogen forms a dimer and phosphorous a tetramer.
As you stand motionless on the sidewalk, you hear an ambulance siren broadcasting a shrill 610hz sound while it is approaching, What speed is the ambulance
A 46.2mg sample of phosphorus reacts with selenium to form 135mg of the compound. What is the empirical formula of the phosphorus selenide
Walking by a pond, you find a rope attached to a tree limb 6.0 m off the ground. You decide to use the rope to swing out over the pond. What is the maximum safe initial angle between the rope and the
When white phosphorous (P4) is heated above 1100 K, the following equilibrium is observed in the gas phase P4 ? 2P2 b. The equilibrium constant has been measured as a function of temperature for thi
two hockey players strike a puck of mass of .164kg, one from westward force of 1.10 x 10^3 Newtons, what is the degrees north of west
Acetic acid when pure, has a freezing point of 16.0 Celsius; Liquid acetic acid has a heat capacity of 1.96J/g*C. A 25.0 g piece of solid acetic acid at 16.0C is placed into an insulated container c
A sample of unknown hydrate of FeCl3 weighs 8.693g. After heating the sample to constant mass, the remaining anhydrous salt weighs 5.216g. What is the experimental formula for the hydrate
The element antimony has an atomic weight of 121.757 amu and only two naturally occuring isotopes. what is the mass of the other isotope
1.3 Kg of Ethane gas (C2H6 ) was heated from 27.0 degree Celsius to 78.0 degree Celsius. Calculate delta E at constant pressure. ( Cp= 52.92 j / K mol)
a 25-N block slides down a plane inclined at 21.2 degrees to the horizontal with constant velocity. find the total force resisting the motion of the block
the mean fee path of air molecules at 0 C and 1 ATM is about 2*10^-5 cm. what is the effective molecular diameter of an air molecule
Find the total number of atoms in a sample of cocaine hydrochloride, C17H22ClNO4 of mass 20.0 mg.
a rock is thrown from edge of a cliff to 23.5 meters below, initial velocity 12.5 m/s directed at 44.5 degrees above horizontal. how long does it take for the rock to reach the ground
Chloromethane,CH3Cl, arises from the oceans and from microbial fermentation and is found throughout the environment. It is used in the manufacture of various chemicals and has been used as a topical
Use the rydberg equation to calculate the wavelength in angstroms of the photon absorbed when a hydrogen atom undergoes a transition from n = 1 to n = 3
You are a delivery person for the Fresh Aqua Spring Water Company. Your truck carries 3 pallets. How many full cases of water can you carry on the cart
A 50.0kg crate is being pulle along a horizontal smooth surface. What is the magnitude of the normal force acting on the crate