Calculate the number of moles
Phosphorus pentachloride, PCl5, a white solid that has a pungent, unpleasant odor, is used as a catalyst for certain organic reactions. Calculate the number of moles in 38.7 g of PCl5.
Expected delivery within 24 Hours
The empirical formula for acetic acid is CH2O. Its molar mass is 60 g/mol. The molecular formula is
A certain first-order reaction () has a rate constant of 7.50×10-3 at 45 . How many minutes does it take for the concentration of the reactant, to drop to 6.25 of the original concentration?
In the reaction between potassium carbonate and calcium nitrate (balanced eq: K2CO3 + Ca(NO3)2--> K2(NO3)2 + CaCO3), why wouldn't ...--->2KNO3 +CaCO3 be right?
Consider the following reaction, equlibrium concentrations, and equilibrium constant at a particular temperature. Determine the equilibrium concentration of SO3(g)
The molar heat of solution of a substance is found to be +35.34 kJ/mol. The addition of 0.20 moles of this substance to 1.5 L water initially at 55. °C results in a temperature decrease. Assume the specific heat of the resulting solution to be
A solution is prepared by dissolving 4.21g of a nonelectrolyte in 50.0 g of water. If the boiling point increases by .203C, what is the mass of the solute?
The reaction of peroxydisulfate ion (S2O8)2- with iodide ion (I-)is, S2O82-(aq) + 3I-(aq)= 2SO42-(aq) + I3-(aq) From the following data collected at a certain temperature, determine the rate law and calculate the rate constant.
If 6.06 L of O2 gas is collected over water at 250C (vapor pressure = 23.8 torr) and a barometric pressure of 702 torr, what is the mass of H2O2 (MM = 34.02 g/mole) decomposed?
1951127
Questions Asked
3,689
Active Tutors
1417955
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Problem: After an incomplete abortion, a client asks the nurse to tell her again what is meant by an "incomplete abortion."
Question: Which sign indicates a child is a victim of bullying and would be included in a teaching session for teachers?
Which information would the nurse give a pregnant client about having a chorionic villus sampling (CVS): The test can lead to spontaneous abortion.
Question: The nurse writes the nursing diagnosis of Deficient Fluid Volume after performing a nursing assessment.
writes the nursing diagnosis label, Readiness for Enhanced Fluid Balance. What are the defining characteristics of this diagnostic label?
After an incomplete abortion, a client asks the nurse to tell her again what is meant by an "incomplete abortion."
A 16-year-old high school student comes to a community health center because of the fear of having contracted herpes.