For each equation, state the reaction type and then balance the equation. ___Na3PO4 + ___HCl → ___H3PO4 + ___NaCl Will give brainliest

Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

The vapor pressure of ethanol is 1.00 × 102 mmhg at 34.90°c. what is its vapor pressure at 61.61°c? (δhvap for ethanol is 39.3 kj/mol.)