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The GPR (Ground Penetrating Radar) produced an electromagnetic radiation that had a frequency of 2.00 X 102 MHz. Determine the amount of energy (Kj) in this radiation.
What is the percent hydrogen (H) by weight of a solution containing 53.5mL of CH3COCH3? The density of acetone is 0.788 g/mL.
Give the complete ionic equation for the reaction (if any) that occurs when aqueous solutions of lithium sulfide and copper (II) nitrate are mixed.
How many moles of nitrogen are required to fill a 3.50 L tank at 25.0 oC to a final pressure of 8.74 atm
A process occurs spontaneously and DSsystem 0DSuniverse > 0The pressure is constant.Both (a) and (b) are correct.All of these answers are correct.
Identify compound Z in the following sequence. (CH3)2CHCH2CN ---HCl, H2O, heat---> compound X ---1. LiAlH4, diethylether, 2. H20 ---> compound Y --- PCC, CH2Cl2 ------> compound Z 1. (CH3)2CHCH2COH (the O is double bonded to the C)
CS2(l) + 3 O2(g) -→ CO2(g) + 2 SO2(g) . If 1.18 mol of CS2 is combined with 1.55 mol of O2, identify the limiting reactant.
If 61.9 g of sugar (glucose) is fermented, what is the maximum volume of pure ethanol that could be produced? (density = 0.789 g/mL)
Determine What would be the density of the solid if density of toluene at the temperature of the experiment = 0.864 g/mL.?
refer to the given equation as 4NH3(g) + 7O2(g) = 4NO2(g) + 6H2O(g) How many moles of ammonia will be required to produce 13.8 mol of water.
consider the expansion of one mol of a monoatomic gas initially at 300 k and 10 atm. the expansion to a final pressure
Assuming that a neutron star has the same density as a neutron, calculate the mass (in ) of a small piece of a neutron star the size of a spherical pebble with a radius of 0.14.
The rate constant (k) for a reaction was measured as a function of temperature. A plot of ln k versus 1/T (in K) is linear and has a slope of -7445 K. Calculate the activation energy for the reaction
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