


Xavier Avery
Chemistry teacher | Verified Expert
I hold a degree in Chemistry from the University of Hartford, bringing a profound understanding of the subject to my role as a dedicated tutor. With a passion for fostering a love of learning, I am committed to providing insightful answers to a wide array of questions. Let's unravel the wonders of chemistry together!
Questions
A sucrose solution has #rho=1.85*g*mL^-1#, and a concentration of #"1.8% w/w"#. What is its concentration?
How many moles of potassium chloride are present in a #3*L# volume of #1*mol*L^-1# #KCl(aq)#?
3 moles of sodium reacted with 3 moles of chlorine gas. How much material was left unreacted? How many moles of sodium chloride were produced?
What is the balanced equation for photosynthesis?
What mass of #"NaBr"# is needed to prepare #"50.00 mL"# of a #6.5%# (m/v) solution in distilled water?
What is the pH of a solution that has a hydronium ion concentration of #1.00 times 10^-4 M#?
What is the formula for caloric acid?
How many grams of silver chloride are produced when #"1.92 L"# of a #"0.287-M"# silver nitrate solution reacts with enough magnesium chloride?
A sample of chlorine gas is collected by water displacement at 23°C. If the atmospheric pressure is 751 torr, what is the partial pressure of the chlorine?
Iron crystallizes in a face-centered cubic system. If the radius of an iron atom is 1.26 A (angstroms), what is the edgelength of the unit cell? What is the density of iron if its atomic weight is 55.847 g/mole?
Why is change in enthalpy zero for isothermal processes?
What is the oxidation number of carbon in cyanide ion?
How can acids be harmful?
What functional groups are found in lipids?
What is the strength of a sigma bond?
How is the chemical energy in glucose similar to money in a savings account?
Gas mixture at ambient pressure is composed of 1.0% methane, 2.0% ethane, and 3.0% propane by volume. What is the mole fraction of each component in the mixture (on combustible basis)? What is the lower flammability limit & the upper flammability limit?
A gas at #"553 mmHg"# occupies #2.6xx10^(-6)# #"mL"#. If the pressure is increased to #"1.55 atm"#, what is the new pressure? The amount of the gas and the temperature are held constant.
A block of metal has a width of 32 cm, a length of 17.1 cm, and height of 38 cm. Its mass is 1.1kg. What is the density of the metal?
Does a reducing agent in a redox reaction gets reduced or oxidized?