Calculate the number of atoms in. (a) 52 moles of He. (b) 52 g of He. (c) 52 u of He

a student with the flu was given a medication that tasted bitter. which type of compound was in the medication

In what type of solids are the particles not arranged in a regular pattern

Explain, in terms of particle arrangement, why a sample of solid NaCl has less entropy than a sample of aqueous NaCl.

Refer to the example about diatomic gases A and B in the text to do problems 20-28. It was determined that 1 mole of B2 is needed to react with 3 moles of A2. How many grams in one mole of B2? __g

Aspirin can be made in the laboratory by reacting acetic anhydride (c4h6o3) with salicylic acid (c7h6o3) to form aspirin (c9h8o4) and acetic acid (c2h4o2). the balanced equation is: c4h6o3+c7h6o3→c9h8o4+c2h4o2.

What is the term used for carrying rock away? Question 4 options: mechanical chemical deposition erosion

How do I balance this H2 + O2 = H2O

Which notation represents atoms that have the same number of protons but a different neutron? 1) H-3 and He - 3 2) S-32 and S - 32 3) CI-35 and CI - 37 4) Ga-70 and Ge - 73

A mole is the amount of a substance that contains as many particles as the number of atoms in 12 grams of what isotope? A) Boron-12 B) Carbon-12 C) Calcium-39 D) Aluminum-26

Do you guys know any cool app for revision apart from quiz let