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What is the temperature of 0.46 mol of gas at a pressure of 1.3 atm and a volume of 11.7 L ? Express your answer using two significant figures.
The thermal decomposition of 1.6608 grams of MgSO4 x H20 produces 1.4446 grams of a product in a well behaved reaction. There are two possibilites
The track for a racing event was designed so that riders jump off the slope at 30 angle, from a height of 5 ft. Determine the maximum height he attains
You buy a plastic dart gun, and being a clever physics student you decide to do a quick calculation to find its maximum horizontal range. What is the maximum horizontal range of your gun
In order to find the density of an unknown material Susan measured the mass of a cube made out of this material and the length of its side
a 70 kg hockey player sliding freely on his knees on horizontal icy surface with velocity<-10,0,0>m/s. find the velocity of the player after he catches the puck
A syringe containing 1.42 mL of oxygen gas is cooled from 99.7 C to 0.6 C. What is the final volume of oxygen gas
A sample of gas has an initial volume of 2.8 L at a pressure of 753 mmHg .If the volume of the gas is increased to 3.6 L, what will the pressure be
You have a wire of length L = 1.9 m for making a square coil of a dc motor. The current in the coil is I = 1.6 A, Find the maximum torque exerted on the coil
A gaseous mixture of O2 and N2 contains 40.8 % nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 625 mmHg ? Express you answer numerically in millimete
At standard temperature and pressure (0 C and 1.00 atm ), 1.00 mol of an ideal gas occupies a volume of 22.4 L . What volume would the same amount of gas occupy at the same pressure and 35 C ? Expre
The pressure inside a hydrogen-filled container was 2.10 atm at 21 C . What would the pressure be if the container was heated to 85 C
About how many gallons of CO2 are produced by an incandescent 60-W lightbulb burning for an hour
A tuning fork of unknown frequency makes six beats per second with a standard fork of frequency 481.0 Hz. What is the frequency of this fork
What is the atom economy of this process if aspirin is considered to be the desired product. Enter your answer as a percentage, to the nearest tenth of a percent.
Penny's eraser was accidentally dropped out of the window and falls into the street. The window is 9 m above the road. What is the speed of the eraser when it hits the floor
Calculate the partial pressure of each gas in the container. Express the pressure values numerically in atmospheres, separated by commas. Enter the partial pressure of methane first, then ethane, th
A small positively charged sphere of mass 4.68 g and charge +72 micro C is suspended horizontally in static equilibrium, find the magnitude of the tension in the horizontal string
An experiment shows that a 248 ml gas sample has a mass of 0.435 g at a pressure of 747 mm Hg and a temperature of 26 c. What is the molar mass of the gas?
At our distance from the Sun, the intensity of solar radiation is 1370 W/m2. Compute its steady-state temperature
The 1,3-diaxial interaction energy between H and a lone pair is negligible (~ 0 kcal/mol). What is the 1,3-diaxial interaction (in kcal/mol) between a CH3 and a p orbital
A speedboat moves on a lake with initial velocity vector v1,x = 9.69 m/s and v1,y = -2.99 m/s, Find the speedboat's final speed
what are the intermolecular forces between hexane and cinnamic acid and how does this explaine why heane does not dissolve cinnamic acid
The current in the electron beam of a computer monitor is 415 ?A. How many electrons per second hit the screen
Suppose that a hotplate transfers 325KJ of energy to 450g of liquid water at 20C. What mass of the water would be boiled away