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A proton in a linear accelerator has a de Broglie wavelength of 149\rm pm . What is the speed of the proton?
A. How many grams of can be produced from 4.40mol of Na B. How many grams of H2 are needed to produce 14.81g of Na C. How many molecules (not moles) of NH3 are produced from 8.22×10?4g of H2
Complete and balance the following equation: BrO3^-(aq)+N2H4(aq) -> Br2(l)+N2(g) And identify the oxidizing and reducing agents from the resulting balanced equation.
Hydrogen peroxide can be prepared by the reaction of barium peroxide wtih sulfuric acid accoridng to BaO2(s) + H2SO4(aq) arrow BaSO4(s) + H2O2 (aq) How many milliliters of 2.00 M H2SO4 (aq) are need
When looking at an energy diagram, how do you determine what the rate-limiting step is? How do you determine what the energy of activation is for the rate determining step
Calculate the frequency of each of the following wave lengths of electromagnetic radiation. Part A: 488.0 \rm nm (wavelength of argon laser) Part B: 503 {\rm nm} (wavelength of maximum solar radiati
One binkle is defined as being exactly 3 × 10^12. A) If you had 1.0 kg of nails and 1.0 kg of helium atoms, would you expect them to have the same number of binkles? Using complete sentences
Assume that the coffee has the same density, 0.997g/mL , and specific heat capacity, 4.184\rm J/(g\cdot K) , as water over this temperature range. Express the number of photons numerically.
A microwave oven operates at 2.00GHz . What is the wavelength of the radiation produced by this appliance. Express the wavelength numerically in nanometers.
Structure of a compound that when undergoes elimination will produce a product containing conjugation
Structure of a compound that, in the presence of a strong base, can readily undergo an intramolecular reaction forming a ring in the product.
Structure of a compound containing a leaving group that is more hindered than the leaving group in t-butyl bromide
Structure of a compound that when treated with NaOH and heat, will give more than one product (each product is present in significant amount)
Find the other sp hybrid orbital given the one below using orthonormal relationships. Psi2p=3(Psi2s) + 4(Psi2pz)
The work function of silver is 7.59x10^-19J. what is the longest wavelength of electromagnetic radiation that can eject an electron from the surface of a piece of silver
The boiling point of water at sea level Is 1000C. At higher altitudes, the boiling point of water will be a) lower, because temperatures are lower b) lower, because the atmospheric pressure is lower
The value of E for the following reaction is 0.34 V. What will the cell potential be when the [Cu2+] =10 M and the [Cr3+]=1 M? 2Cr(s) + 3 Cd 2+ (aq) --> 2Cr3+ (aq) + 3Cd(s) a)0.31 b) 0.46 c) 0.4
Optically pure 2-octyl sulfonate, a compound with a leaving group comparable to the tosylate and mesylate groups discussed in this chapter, was treated with varying mixtures of dioxane and water as
Provide an explanation for the trend observed by comparing the basicity of the oxyanion bases. Include any additional structures necessary in your explanation! B ase % 1-Butene in Total Butenes Pota
A balloon at a pressure of 755 torr and a volume of 5.00 L. was allowed to rise in the atmosphere to a point at which the pressure inside and outside the balloon was 697 torr. What was the volume of
Teperature(K) Pressure(Torr) 65 130.5 70 289.5 75 570.8 80 1028 85 1718 1. Use the data to determine the heat of vaporization of nitrogen. 2.Determine the normal boiling point of nitrogen
Determination of Solubility Product of a Metal Hydroxide lab report .. what was the results and conclusion
How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 14.0 L of H2 gas if the pressure of H2 is 757 torr at 20.0°C
what is the enthalpy change per g mol of O2 between the liquid storage tank and the state of which the O2 enters the fuel cell