Cuánto tiempo se tarda un carro si recorre una distancia de 20 metros con una velocidad de 25m/h

What is the type of the reaction below? bacl2 + h2so4 → 2 hci + baso4 double replacement synthesis single replacement decomposition

First to answer will be the brainliest i need the answer asap

How can you improve the percent yield of copper in this lab? check all possible strategies that will you do so. measure reactants precisely. stir to the reaction take place. chill the reactants before combining them. wait patiently until the reaction completes. make sure to recover as much copper as possible.