d)Cho biết khi làm thí nghiệm với dung dịch hóa chất nào dưới đây bóng đèn cháy sáng: dịch dạ dày, nước vôi trong, giấm ăn, nước cốt chanh, nước biển, nước đường.

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

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

How many atoms are in 2 moles of phosphorus