How much heat is released at constant pressure
How much heat is released at constant pressure when 50.0 g of NiS reacts with excess O2 according to the reaction below?
2 NiS (s) + 3 O2 (g) = 2 NiO (s) + 2 SO2 (g) H_rxn_ = -936.2 kJ
Expected delivery within 24 Hours
Question concerns low-pass filter. Given a RC low-pass filter and the values of the resistor, the capacitor and a frequency located within the band-pass, is it possible to determine the db loss and the phase angle at that frequency, if one i
A gas mixture composed of helium and argon has a density of 0.853g/L at a 745mmHg and 298K. What is the composition of the mixture by volume?
What is the pressure of a container that has 7 atm pressure coming from O2, 2 atm of pressure coming from N2, 3 atm of pressure coming from CO2?
A circular coil of 150 turns is made of flexible wire. The cross-sectional area of the coil is 200cm^2. It is placed in a uniform B field of 0.600T (B field into page). The plane of the coil is perpendicular to the B field. What is the magni
A student placed 15.0 g of glucose (C6H1206) in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100.-mL mark on the neck of the flask was reached. The flask was then shake
An aqueous solution contains 4.20% NH3 (ammonia) by mass. The density of the aqueous ammonia is 0.979 g/mL. What is the molarity of NH3 in the solution?
An aqueous vinegar sample contains 5.4% acetic acid by mass and has a density of 1.006 g/mL. Calculate the amount of acetic acid in grams in 2.00 L of this vinegar. Report your answer using the correct number of signi?cant ?gures. Your answer must
1937337
Questions Asked
3,689
Active Tutors
1440602
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
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