The equation shows a chemical reaction using 64 grams of calcium, 162 grams of zinc carbonate, and 152 grams of calcium carbonate. calcium + zinc carbonate → calcium carbonate + zinc

According to the law of conservation of matter, how much zinc is present in the product?
Group of answer choices

74 grams

98 grams

88 grams

64 grams

What’s #16 asking and how do i solve it?

To a of 4 x hz is 1. 0. mm nm nm

The temperature in gavin's oven is a sinusoidal function of time. gavin sets his oven so that it has a maximum temperature of 280°f and a minimum temperature of 240°. once the temperature hits 280°, it takes 20 minutes before it is 280° again. gavin's cake needs to be in the oven for 30 minutes at temperatures at or above 270°. he puts the cake into the oven when it is at 260° and rising. how long will gavin need to leave the cake in the oven? (round your answer to the nearest minute.)