Answers: 3
Physics, 22.06.2019 07:10
1. how much energy is needed to raise the temperature of 40.0 g of argon from 25c to 40c? the specific heat capacity of argon is 0.520 j/(g·k) 2a. 23.0 ml of 0.100 m hcl (standard) are added from a buret to neutralize 50.0 ml of an unknown basic solution. 2b. if the oh- produced in the previous reaction came from ca(oh)2, then what is the molarity of the ca(oh)2? 3.calculate the new freezing-point of a solution when 60.5 grams of cacl2 solute is dissolved in 0.612 kg of water. 4. what is the maximum number of moles of alcl3 that can be produced from 5.0 mol al and 6.0 mol cl2? 5. a sample of oxygen gas has a volume of 150 ml when its pressure is 0.923 atm. if the pressure is increased to 0.987 atm and the temperature remains constant, what will the new volume be? 6. nitrogen gas in a closed container at a temperature of 100.0 oc and 3.0 atm is heated to 300 oc. what is the pressure of the gas at the higher temperature?
Answers: 3
Physics, 23.06.2019 12:30
Acar's position in relation to time is plotted on the graph. what is the car's average velocity for segment c? a) -4 m/s b) -0.25 m/s c) 0.25 m/s d) 4 m/s
Answers: 1
Physics, 23.06.2019 13:00
Aforce f making an angle with the horizontal is acting on an object resting on the table. which statement is true for the motion of sliding the object on the table?
Answers: 1
What is science?
Plz help I cant find a answer thats not really complicated and i have to fit it wi...
Mathematics, 15.12.2019 03:31
Mathematics, 15.12.2019 03:31
Mathematics, 15.12.2019 03:31
Mathematics, 15.12.2019 03:31
English, 15.12.2019 03:31
English, 15.12.2019 03:31
Mathematics, 15.12.2019 03:31