Answer:
1.25 hours or 75 minutes or 1 hour and 15 minutes
Explanation:
Answer:
about 79% (79.04369332 to be exact)
Explanation:
Percent composition=(Molar mass of element x amount of it)/Molar mass of compound x 100
Br= 3 x 79.9/303.25 x100=79.04369332
Answer:one gram by 1oC
Explanation: you will need to know the value of water's specific heat