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Sylvia has the apple orchard. One season, her 100 trees yielded 140 apples per tree. She wishes to increase the production by adding more trees to orchard.
Determine the phase difference among the current in the circuit and voltage a criss the inductor?
What equation would you use to calculate the volume of the stock solution needed to prepare a solution that has a concentration that is less than 20% (v/v) (like 15% for example) in a 10mL fla
Determine the numbers of grams of water at the 100oC can you boil if you add550 kilojoules to the water? The heat of vaporization for water is 40.8 kJ per mole of water.
If the wave -length of microwaves in the oven is 9.75 cm, discuss how long does it take and determine the numbers of photons must be absorbed to make the water boil? Suppose only the water abs
Determine the temperature of a sample of carbon dioxide gas with a density of 1.48 g/L and a pressure of 708 torr.
Determine the numbers of moles of gas would need to be added to the container at the constant temperature to increase the pressure from 1.00 atm to 1.80atm? A rigid container holds 3.00 moles of an
When the copper wire transmitting the electricity consists of a diameter of 4 cm and is 1 mile long, find out the current in the wire?
Determine the magnitude and direction of d/dt, where is the rotational momentum of the particle about the origin?
The magnetic field of Earth at this location consists of magnitude 7.80 x 10-5T and points into the Earth at an angle of 48.0° beneath a line pointing due north. When an 8.60 A counter-clockwise
There were half as many adults as children and students combined. Receipts totaled $5024. How many children were there in the show?
Determine how large a radius of curvature should a spectrometer have when these two molecules are to be separated on the film through 0.45 m?
If the specific heat capacity of nickel is 0.444J/oCg what mass of nickel was originally heated? Assume no heat loss to the surroundings. A sample of nickel is heated to 99.8oC and placed in a coffee-
Antarctica is roughly semi-circular, having a radius of about r = 2100 km. The average thickness of the ice cover is around h = 2700 m. Determine how many cubic centimeters of ice does Antarctica ha
Determine the mass of iron(II) ammonium sulfate hexahydrate (FeSO4 (NH4)2SO46H2O) needed to make the100 mL of 0.0500 mol/Lsolution
When the speed vsphere of the solid sphere at the bottom of the ramp is 1.85 m/s, then what would be the speed vcylinder at the bottom of the ramp?
Determine the maximum amount of sodium sulfate that can be added to the 1.00 L of 0.0020 M Ca(NO3)2 before precipitation of calcium sulfate begins? Ksp =2.4 × 10-5
After what time interval will the block begin to slip on the turn-table? (Hint: The normal force in this case equivalents the weight of the block.)
Calculate the percent by volume of the solution when a student dissolves 1.322 grams of a solute in water. The volume of the solution is 10.18mL.
If the heat capacity of the calorimeter and contents was 12.05kJ/oC, determine the value of q for burning 1.25 moles of benzene at the constant volume and 25.00oC? A sample of benzene, C6H6 weigh
Determine the gravitational force among the proton (1.67 x 10-27 kg) and the electron (9.11 x 10-31 kg) in a hydrogen atom when they are 4.00 x 10-10 m apart?
A sample which is having 25.5-g of an unknown metal is heated to 95.5°C and is placed in a insulated container containing the 174 g of water at a temperature of 21.0°C. After the meta
Assume that the G-string of a guitar is 3.7 m long and consists of a linear density of 87.7 mg/m. The thumb screw joined to the string is adjusted to give a tension of 3.5 kN. Determine the primary
Assume that we have tube which is closed on one end and open on the other similar to what you employed in Standing Waves lab. When this tube consists of plunger at the position 125.5 cm and 11 nodes
Determine to one decimal place and do not include the units with your answer. The nutritional calorie (Calorie) is equivalent to 1 kcal. One pound of body fat is equivalent to about 4.1 x 103Calorie