What is a criterion for all products made using the process of technological design? the product must be cheaper than similar products. the product must be available to any user who wants it. the product must solve the problem for which it was designed. the product must be capable of solving a variety of problems.

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?

What is a difference between a mixture of elements and a mixture of compounds