A billboard that stands 30 m above the ground has a gravitational potential energy of 175000 j. What is its mass

What factors influence the rate of reaction?

Are diamonds shiny or dull? Also can you give me an example of dull?

Would the law of conservation energy make sense if scientist did not reconised the concept of potential energy

1. Is mass conserved when 50 g of sugar undergoes a physical change? Use complete sentences to support your answer by explaining how this can be demonstrated. 2. During an investigation a scientist burned 48 g of magnesium strip.

How does la nina affect climate change of the pacific ocean

What is one difference between a mixture and a compound?

The Ksp of cobalt (II) hydroxide, Co (OH) 2, is 5.92 * 10-15. Calculate the molar solubility of this compound.

A gas is collected in a 34.3L container at a temperature of 31.5°C. Later, the container has a volume of 29.2L, a temperature of 21.0°C and a pressure of 122.2kPa. What was the original pressure on the container?

What does it mean for a cell to be specialized?

A 7.20 L container holds a mixture of two gases at 29 °C. The partial pressures of gas A and gas B, respectively, are 0.179 atm and 0.749 atm. If 0.