Which statement accurately describes the reactants of a reaction? substances that are used up in a reaction

substances that do not participate in a reaction

new substances formed in the reaction

new substances that are present at the end of a reaction

What is the formula that this ionic compounds could form sr2+p3-o2-

The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)