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If 0.040kg of ice at 0 C is added to 0.390kg of water at 30 C in a 0.130-kg aluminum calorimeter cup
How many GRAMS of zinc iodide are present in 1.56 moles of this compound? and explain to me how to find it
The power of lightbulb is 100 Watts. I found the intensity of lightbulb which is about 812 Watt/m^2. Using these information, find the intensity of the Sun
List the predominant species in Fe(NH4)2(SO4)2 6H2O solution. What is the net ionic equation for formation of iron (II) oxalate via the reaction of potassium oxalate and Fe(NH4)2(SO4)2 6H2O
If you supply 1950J of heat to 3.00moles of an ideal diatomic gas initially at 27.0 Celsius in a perfectly rigid container
Write and balance net ionic equation for oxalic acid reacting with permanganate ion in acidic solution.
The electron beam inside a television picture tube is 0.300mm in diameter and carries a current of 55.0 uA. What is the current density in the electron beam
Problem 12.30: Singing in the shower. We all sound like great singers in the shower, due to standing waves, What are the wavelengths of the first two overtones for this shower
a ball of mass 1.00kg moves due east at 3.00 m/s. a ball of mass 2.00 kg moves due south at 2.00 m/s. they collide at the origin. what is the final velocity of the other ball
Calculate the number of grams of anhydrous sodium oxalate needed to prepare 250 mL of .04500 M sodium oxalate solution.
A solution is prepared by dissolving 0.13 of acetic acid and 0.13 of ammonium chloride in enough water to make 1.0 of solution
Although all bond lengths in benzene are identical, that is not always true for all aromatic compounds. In napthalene, for instance, the C1-C2 bond is shorter than the C2-C3 bond. Explain, using rea
a piece of pure gold (density= 19.3g/cm^3) is suspected of having a hollow center. What is volume of the hollow center
Suppose that you are traveling on board a spacecraft that is moving with respect to the earth at a speed of 0.970c. compute your breathing rate
How many grams of solid barium sulfate form when 25.5 mL of 0.160 M barium chloride reacts with 69.3 mL of 0.055 M sodium sulfate? Aqueous sodium chloride is the other product.
This is a fairly rare genetic disorder. The enzyme thatconverts pyruvate to acetyl CoA is deficient. How will cellrespiration be affected? What symptoms will be observed?
One useful method for recycling scrap aluminum converts some of it to common alum [potassium aluminum sulfate dodecahydrate, KAl(SO4)212 H2O], an important dye fixative and food preservative.
Calculate the volume of a rectangular prism with a length of 5.6 cm, a width of 2.1 cm, and a height of 6.6 cm
Find the velocity vector of a bag just before it hits the ground. It is dropped 500m above the ground and has velocity 5 m/s
a string stretched between two fixed ends vibrates in its second harmonic with a frequency f=2 Hz. if the velocity that links the frequency and wavelength is equal to 40 m/s, find the wavelength of
The best design for rockets is one in which both fuel materials run out at the same time to minimize excess mass. If the total mass of both components in a decaborane/oxygen rocket must be 3.011E+6g
0.75mol of argon gas is admitted to an evacuated 70cm3 container at 40 degrees C. estimate the final pressure of the gas
If lithium ion Li+2 is treated as a classical system of one electron of charge ?e going around a nucleus of charge 3e on a circle of radius 1.77× 10?11 m
Write a balanced chemical equation that shows the reaction that occurs when an aqueous solution of BaCl2 reacts with an aqueous solution of Na2SO4 to form aqueous sodium chloride and solid BaSO4. In
To what extent was the New Deal successful in solving the economic crisis of the Great Depression