What is the mass in grams of Na_2CO_3(s) (molar mass = 105.98 g/mol) that, when dissolved in 1.357E+2 mL of water, will make a 1.29E-1 M aqueous solution?

When curium-242 is bombarded with an alpha particle, two products are formed, one of which is a nudge on. what is the other product

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

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.