Serenity Allen
Chemistry teacher | Verified Expert
I graduated from Northeastern Illinois University with a degree in Chemistry. With a strong foundation in chemical principles, I'm dedicated to simplifying complex concepts for students. My teaching approach emphasizes practical applications and hands-on experimentation, fostering a deeper understanding of chemistry. Let's unravel the mysteries of the periodic table together.
Questions
What is the density of a liquid with a mass of 17.4 g and a volume of 20mL?
Which missing item would complete this alpha decay reaction?
How to Calculate the pH of 0.180 g of potassium biphthalate (pKa = 5.4) in 50.0 mL of water?
In most pure substances, melting occurs at what specific temperature?
How would we write the equation between #Na_3PO_4# and #Pb(NO_3)_2#, given #17.3*g# of the former, and #12.4*g# of the latter?
What structural units make up ionic solids?
What is the specific heat of ice in joules?
How can functional groups affect organic compounds?
What phases of matter are considered fluids?
What type of reaction is #HgO -> Hg + O_2#?
A buffer solution of a weak acid and its salt had a pH of 7.85 when the acid was 0.251 M and the anion was 1.10 M. How do you calculate the equilibrium dissociation constant (Ka)?
A solution contains 180 g of glucose and 162 g of water. What is the mole fraction of glucose?
What is the atomic mass of barium due to?
Is photosynthesis a double replacement or single replacement reaction?
What is pH of tap water?
What volume of #20%(w/w)# #"hydrochloric acid"# are need to oxidize a mass of #130*g# #"zinc metal"#?
Is boiling water a physical or chemical change?
How many molecules of oxygen react with 20 molecules of propane?
A half-life of a radioactive substance is the amount of time needed for one half of what to decay into a stable isotope?
What contains more #OH#- ions?