Please help Predict which precipitate, if any, will form in the following double replacement reactions or write “None”.
a. AgNO3(aq) + NaCl(aq) →
b. CaCl2(aq) + Na2CO3(aq) →
c. Fe(NO3)3(aq) + KCl(aq) →
d. Pb(NO3)2(aq) + HCl(aq) →
e. Cu(NO3)2 + Na2S →

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

Why do scientists look for patterns in the world? a. patterns can explain observations. b. patterns never change, no matter what. c. patterns are easy for scientists to detect. d. patterns are all the same, through all time.

When 225mg of anthracene, c14h10(s), was burned in a bomb calorimeter the temperature rose by 1.75k. calculate the calorimeter constant. by how much will the temperature rise when 125mg of phenol, c6h5oh(s), is burned in the calorimeter under the same conditions? (δch< (c14h10,s)=–7061 kj mol−1.)