Calculate the mass percent-molality
A 1.30 M solution of citric acid (H3C6H5O7) in water has a density of 1.10 g/cm3. Calculate the mass percent, molality, mole fraction, and normality of the citric acid. Citric acid has three acidic protons.
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A dump truck is shown in the figure. The loaded container has a mass of 8000 Kg and may be modelled as a solid homogeneous block. The hydraulic cylinder applies a force of 300 kN to the container in the starting position shown.
A 350V d.c. shunt motor has an armature resistance of 0.18 ohm. If the field current is 30A and the load current is 220A, calculate the efficiency of the motor. (neglect iron and mechanical losses):
Calculate the change in Gibbs energy (b) Is the reaction spontaneous? (c) Calculate the total change in entropy of the system and the surroundings.
A solution is prepared by adding 30.00 g of lactose (milk sugar) to 110.0 g of water at 55 °C. The partial pressure of water above the solution is __________ torr. The vapor pressure of pure water at 55 °C is 118 torr. The MW of lactose is
If the 150 lb man fires the o.2lb bullet with a horizontal muzzle velocity of 3000 ft/s, measured relative to the 600lb cart, determine the velocity of the cart just after firing. What is the velocity of the cart when the bullet becomes embed
A reaction of clacium phosphate and sulfuric acid results in calcium sulfate and phosphoric acid. If 250 grams of calcium phosphate react with 3 mol of sulfuric acid will 3 mol of calcium sulfate be formed?
If 5.25mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
Write a MC6812 assembly language program to find the largest number in an array of ten 8-bit numbers. The array is stored in memory locations starting at address $1100. Use branch instructions and loops.
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Which typically considered abnormal assessment findings are actually normal findings during the third trimester of pregancny?
Question: Which of the following is a filler drug that is used to plump the skin and minimize wrinkles ________?
A 67-year-old man is diagnosed with alcohol use disorder. Past medical history includes hypertension, seasonal allergies, and end stage renal disease.
Assignment task: Extreme Claim: Marijuana should not be legalized for medical purposes.
Why might it be more difficult for younger widows to adjust to a spouse's loss? Why might it be more difficult for older widows to make the adjustment?
Which federal act mandates that healthcare facilities provide written information to patients about their rights to make medical decisions
List five of the Coagulation Regulatory Proteins that either help to keep clotting from getting out of hand, or keep fibrinolysis from getting out of control