When applying for a job, professionals send a business letter personal letter memo resume and say hi

Em um acidente, um caminhão carregado de solução aquosa de ácido fosfórico (h3po4) tombou, derramando cerca de 24,5 toneladas dessa solução no asfalto. quantas toneladas de óxido de cálcio (cao) seriam necessárias para reagir totalmente com essa quantidade de ácido? 2 h3po4 + 3 cao → ca3(po4)2 + 3 h2o a. 14t b. 29t c. 42t d. 7t e. 21t

If an atom has no charge, what can we say about the subatomic particles in the atom? a) there will be the same number of protons and neutrons, but a different number of electrons. b) there will be the same number of electrons and neutrons, but a different number of protons. c) there will be the same number of protons and electrons.

Question 5 of 101 pointwhich of these describes how the introduction of the printing press affectedsociety? oa. more people could read about important civic events. oob. people had the ability to print and share their ideas. ooc. people could keep printed records of agricultural goods. ood. more people could influence the media of that time. submit