What is the difference of electronegativity of each bond of formaldehyde and ammonia?

A pharmacist has calculated that a patient requires 30 mmol of phosphate and 80 meq of potassium to be added to the pn.

Which if the following matters occupies more space, assuming similar number of molecules? A. (Solid) B. (Liquid) C. (Gas) D. (Solid and gas)

Which answer below correctly identifies the type of change and the explanation for the mixture of calcium corbonate and hydrochloric acid?

What volume of h2 (g) at 27oc and 680 torr is produced by the reaction of 15.0 g al metal with excess hcl (aq) to produce alcl3 and h2 (hint: you may want to write and balance an equation first) ?

Which muscles are voljntary

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

The line of longitude used as the origin in a system of coordinates