Is making lemonade a physical or a chemical change?

Explain why?

1.73 lbs of salt in 3.70 lbs of water what is the percentage of salt in the mixture

What is the subject chemistry actually all about? Is it hard, and should I take regular or honors?

Reactivity with vinegar's definition, Chemical property Definition [Reaction with vinegar] [ ... ]

Which of the following is shown above

Calculate the pH of this solution 0.0043 M of H2SO4=

How many moles of water are made from complete reaction of 1.4 moles of hydrogen gas? Given the reaction: 2H2 + O2 → 2H2O

A scientific law is 1. A university accepted conclusion based on testing 2. Always changing a new evidence is presented 3. Based on new evolving theories 4. Often debated in the scientific community 5. One step toward forming a theory

12 Two molecules of HBr collide and then form H2 and Br2. During the collision, the bonds in the HBr molecules are

If the two charges represented in the figure were brought near each other, they would a. have no effect on each other. b. repel each other. c. cause static discharge. d. attract each other.

A gas tank holds 20000 liters at 850 torr. If the temperature remains constant, what will the volume, in L, of the gas be at standard pressure, 760 torr?