What is the most important safety rule in science?

a. never work with chemicals.

b. always use unbreakable glassware.

c. always follow your teacher's instructions and textbook directions exactly.

d. none of the above

Which factor impacts the possible number of ways in which different atoms can be put together?

What is the number of Joules needed to change 40.0 grams of water at 100°C to steam at the same temperature and pressure? 1.13,360 J 2.90,400 J 3.167.2 J 4.16,720 J

How did coroners handle their responsibilities in the early 1900s? Why was there a need for significant change in the job?

Magnesium hydroxide, the active ingredient in milk of magnesia, neutralizes stomach acid, primarily HCl, according to the reaction in the following: Mg (OH) 2 (aq) + 2HCl (aq) →2H2O (l) + MgCl2 (aq) What mass of HCl, in grams, is neutralized by a

Which statement correctly defines dynamic equilibrium? A) At dynamic equilibrium, the rates of forward and reverse reactions are equal. B) At dynamic equilibrium, the rate of the forward reaction is higher than the rate of the reverse reaction.

Consider the balanced equation for the following reaction: 3Ca (ClO3) 2 (aq) + 2Li3PO4 (aq) → Ca3 (PO4) 2 (s) + 6LiClO3 (aq) Determine the theoretical yield of LiClO3 (aq) in grams if the percent yield of LiClO3 (aq) is 81.0% and 9.

What is the total number of valence electrons in a sulfide ion in the ground state? (1) 8 (3) 16 (2) 2 (4) 18

Write the name and formula of the compound made of magnesium and fluorine

How was or wasn't the scientific method followed in this experment

1‑propanol (nn ‑propanol) and 2‑propanol (isopropanol) form ideal solutions in all proportions. Calculate the partial pressure and the mole fraction (yy) of the vapor phase of each component in equilibrium with each of the given solutions at 25 °C.