In chemistry what is a physical property is reversible

1) How much energy would be required to melt 15.0 g of ice at 0°C? = 334 J/g) (AH fusion

What evidence can be used to to determine if the change is a physical change Choose all that apply The solid dissolved The solid formed bubbles The solid changed colors The combination produced heat

In order to obtain 17g of copper metal, how many grams of hydrogen gas must react

A chemical equations that includes the amount of heat released or absorbed during a reaction

Many gyms and health clubs have steam saunas, which are small steam-filled rooms. Traditionally, steam saunas have a container of heated rocks. A small ladle of water is poured on the rocks in order to make the steam.

What is the cost to drive 405 miles if the cost of gasoline is $3.08 per gal and the car makes 46 miles/gal of gas?

If data are from a trusted source and the results are validated by multiple tests, the evidence supporting a scientific claim is

Consider the following reaction: 2CH3OH - - - > 2CH4+O2 delta H = + 252.8kJ. Calculate the amount of heat transferred when 22.0g of CH3OH (g) is decomposed by this reaction at constant pressure. Include units

What is an example of a heterogeneous mixture? A) gasoline B) diet soda C) grape juice D) flour and water

State the four principles of Dalton's atomic theory