Calculate the energy content for each food sample: 69.445g of water, 0.299g burned of marshmallow with a delta T of 14.1 degree Celsius. An almond that's burned mass is 0.595g with a delta t of 35.4 degree Celsius. Third, 0.255g burned of a goldfish with a delta T of 3.45 degrees Celsius

How many moles are in 250 grams of tungsten (w)? * 4.4x10^23 moles 4.2x10^23 moles 0.7 moles 1.4 moles

How much would the freezing point of water decrease if 4 mol of sugar were added to 1 kg of water(k=1.86 c/mol/kg for water and i=1 for sugar

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate