Why should the units in the ideal gas law be homogeneous when calculating R?​

Zinc + lead(ii) nitrate yield zinc nitrate + leadwhat's the chemical equation for this?

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here