Read the chemical equation. Mg + HCl → MgCl2 + H2 How many liters of hydrogen gas is produced at 298 K and 0.960 atm if 3.00 moles of hydrochloric acid react with an excess of magnesium metal? (1 point) a 38.2 liters b 42.6 liters c 66.7 liters d 76.4 liters HELP ASAP

Which of these is the result of scientific research and not engineering? a. a new shoe design that features air cushioning for more comfort and protection b. the creation of glass with uv protection. c. a conclusion about diet commonalities among diabetics. d. the development of a smaller, more compact missile.

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

In science class richard learns that a substance has a boiling point of 230 fahrenheit his teacher ask him to convert this temperature to degrees celsius what is the boiling point of his substance in degrees celsius