A child at a carnival lets go of a helium balloon with volume 1.52 L at a temperature of 27.0 °C. The balloon floats into a tree in direct sunlight above an outdoor grill, and is heated to 40.0 °C. What volume will it expand or shrink to?

Here's link to the

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he would use the colour black

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.