a student fills a paper cup with water and puts it in a freezer over night. when she takes the cup out the next day, she notices that the sides of the cup are pushed out. why did this happen. Explain?

What are the limitations of the Klmn electronic configuration style of writing

Some commercially available algaecides for swimming pools claim to contain 7% copper. Could the method used in this experiment to analyze for the amount of copper be adapted to determine if the 7% copper claim is correct on a 25 mL sample of

Given the unbalanced equation: Al + O2 → Al2O3 When this equation is completely balanced using smallest whole numbers, what is the sum of the coefficients? 1. 9 2. 7 3. 5 4. 4

The best method for seperating a salt from water is 1 boiling 2 distilling 3 filtration 4 decanting

According to the Arrhenius definition, what does an acid do? a. feels dry to the skin b. releases an H + ion in water c. reacts with a metal to produce H2 d. releases an OH - ion in water

Consider a three sequentially stepped process named as Process A, Process B and Process C. Input comes into Process A. Output form A goes into Process B. Output from B goes into Process C. Output of C is the final output.

What are elements and how do they differ?

Write the structire of the salt that forms when diethylamine is mixed with hydrochloric acis

The heat of combustion of propane, C3H8, is 2220 kJ/mol. The specific heat of copper is 0.385 J/g°C. How many grams of propane must be burned to raise the temperature of a 10.0 kg block of copper from 25.0°C to 65.

Which is an example of Temporal Isolation? A. Flowers that bloom in different months. B. Birds that have different mating calls C. Fruits flies that mate in different locations. D. Squirrels that have different fur colors