Does the volume change if a ballon is put in a freezer

Write the following as a ratio in simplest form: 2 weeks out of 1 year (52 weeks).

A tablespoon of very hot water is added to a pint of very cold water. What will happen to the temperature of the water?

Many older windows have only a single pane of glass. Why do these windows not insulate well? A. Glass conducts heat better than air. B. Glass conducts cold better than air. C. Air conducts heat better than glass. D.

How does fluorine react with ethene? 1. By substituting hydrogen with fluorine. 2. By breaking a carbon double bond and adding fluorine. 3 By removing hydrogen because of fluorine's attraction to hydrogen's nucleus. 4.

Lauren walks 100m in half a minute. What must her speed have been to travel this distance?

How many moles of liquid water must freeze to remove 100 kJ of heat? (ΔHf = - 334 J/ g.

What is the power of a kitchen blender if it can perform 3750 joules of work in 15 seconds?

A 75.00 g a sample of a substance is analyzed and found to consist of 32.73 g phosphorus and 42.7 g oxygen. calculate the percent composition of this substance.

Which one of the following melts the fastest: rectangular prism, cylinder, and rectangular trapezoidal trough?

A 1.8-mL volume of seawater contains about 4.0 * 10^-10 g of gold. The total volume of ocean water is about 1.5 * 10^21 L. Calculate the total worth of all the gold in the world's oceans if the price of gold is $19.