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Determine what volume of water should be added to 50 mL of HNO3having the specific gravity of 1.5 g/mL and 63% by weight to make a 1M solution?
The magnetic flux via a circuit is decreased from 45Tm2 to 15Tm2 in 0.2s. The current induced in the circuit is around 3.6 mA. Find out the resistance of the circuit?
Calculate how many joules of energy are absorbed by the silver? (Cp Ag = 25.3 J/mol-K, 1 mole of silver (Ag) has a mass of 107g) if a piece of silver with mass of 20.0 g is immersed in the 25.0 g of
At 80.00 degrees Celsius (°C) a 45.71 gram piece of iron metal is added to 57.26 grams of water in a perfectly insulated container. Find out the final temperature of the water and iron m
Given that the focal length of the eyepiece is around 2.5, and the focal length of the objective is 0.47, determine the magnitude of the angle subtended by the red blood cell if observed through the
What is the atomic weight of metal M which is having a sample of metal oxide (0.4150g) with the formula M3O3 is quantitatively converted to a metal sulfide, MS, yielding 0.4570g.
A mixture of H3PO4 and HCl is titrated with the 0.1000 M NaOH. The first end point used methyl red as an indicator and the end point occurred at the 35.00 mL.
The gas station sells 1400 gallons of gasoline per hour if it charges $ 2.30 per gallon but only 800 gallons per hour if it charges $ 2.80 per gallon. Suppose the linear model. How many gallons woul
Determine the pressure which is exerted by the 4.37 moles of molecular chlorine confined in a volume of2.45 L at 38 degrees C. Contrast the pressure with that measured using the ideal gas equation.
A 0.7026 g sample of an unknown acid needs 40.96 mL of0.1158 M NaOH for neutralization to a phenolphthalein end point. There is 1.22 mL of 0.1036 M HCl used for back titration.
If the pressure of the air parcel is 975mb, what would be the final volume of this air parcel? Consider an air parcel of 1 m^3 that undergoes expansion cooling where the temp drops by 5 deg
When 1.50 g of butanol (C4H9OH) is burned in the same calorimeter, the temperature increases by 13.00 oC. An electrical heater is used to add 19.25 kJ of heat to a constant-volume calorimeter.
The refractive index and boiling point of an unknown liquid were calculated in a lab where the ambient pressure and temperature were 22 degrees Celsius and 700 torr respectively.
Calculate the work required to compress the gas isothermally to a volume of 1.5L at constant pressure of 2bar, followed by another isothermal compression to 0.8L at constant pressure of 3.75bar
Determine monthly break even point for number of pints made and sold to nearest integer? Beekeeper makes decision to give herself the raise amounting to $80 per month.
When an additional 5.0 mJ of energy are supplied to the rotational energy, determine the new angular speed of the ball?
How can determine the work need to compress an ideal gas where the volume=2.25L, pressure=1.33 bar, isothermally and reversibly from the 2.25L to 0.8L
Estimate how many photons at 660 nm must be absorbed to melt the 5.0 x 10 x10 g of ice? On average, determine the numbers of H2O molecules doe's one photon convert from ice to water?
A constant external torque of +57 N•m is exerted to the wheel for 24 s, giving the wheel an angular velocity of +660 rev/min. The external torque is then eliminated, and the wheel comes to res
A cylinder of 2.8 kg, 12 cm radius, primarily at rest, is free to rotate around the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled having a force of 15 N. (i) Deter
When 1.50 g of methanol (CH3OH) is burned in the same calorimeter, the temperature increases by 8.75 oC, an electrical heater is used to add 20.50 kJ of heat to a constant-volume calorimeter.
Monthly overhead is $29,700 and every wakeboard costs $512 in materials and labor to make. If the items are sold for $579. Determine profit in dollars if 224 wakeboards are made and sold?
Estimate the quantity of heating needed to convert the water in four ice cubes (60.1 g each) from H2O(s) at0o C to H2O(g) at 100oC. The enthalpy of fusion of ice at 0o C is 333 J/g a
A wagon wheel of 0.90 m diameter comprises of a thin rim having a mass of around 8.00 kg and six spokes each encompassing a mass of around 1.20 kg. Find out the moment of inertia of the wagon wheel
Determine the wavelength of radiation required to ionize the hydrogen electron from the n = 2energy level. Ionization energy is defined as the minimum energy required removing an electron from the g