Answers: 2
Chemistry, 22.06.2019 01:30
Aroller coaster car is traveling down a track at 22 m/s. the car has a mass of 2000 kg. what is the kinetic energy of the car? a) 22,000 j b) 968,000 j c) 484,000 j d) 44,000 j
Answers: 2
Chemistry, 22.06.2019 02:40
How many liters of hydrogen gas will be produced at stp from the reaction of 7.179Γ10^23 atoms of magnesium with 54.219g of phosphoric acid (h3po4) the equation is 3mg + 2h3(> mg(po4)2+3h2
Answers: 1
Chemistry, 22.06.2019 06:30
Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 1
Chemistry, 22.06.2019 09:00
This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.
Answers: 3
1. one of the essential minerals in the human body is salt. how much salt is in the average adult hu...
Computers and Technology, 02.11.2019 04:31
Computers and Technology, 02.11.2019 04:31