1. Which of the following is a chemical property of matter? a. melts at 650°C
b. density of 1.0 g/mL
c. forms molecules with two oxygen atoms
d. mass of 10 g
e. has six protons

Is this a single replacement reaction or there is no

Alarge marble is dropped in a graduated cylinder with 35ml of water in it.the water level increases to 49ml.what is the volume of the marble

Astudent pours 10.0 g of salt into a container of water and observes the amount of time it takes for the salt to dissolve. she then repeats the process using the same amounts of salt and water but this time she slowly stirs the mixture while it is dissolving. the student performs the experiment one more time but this time she stirs the mixture rapidly. the dependent variable in this experiment is: time for salt to dissolve speed of stirring amount of water mass of salt