Chemistry, 30.10.2020 21:50 kevonmajor
THERMAL ENERGY CALCULATION
please help- I missed the lesson and don't even know where to begin.
A piece of zinc was lying outside and had a temperature of 26oC. Later that day the sun came out and the temperature increased to 36oC. If the piece of zinc is only 0.15 kg, find the thermal energy. Note: Zinc has a specific heat of 380 J/kg/°C.
Answers: 3
Chemistry, 21.06.2019 18:20
Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.
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Chemistry, 22.06.2019 09:40
Which diagram shows the correct way to represent an ionic compound of magnesium oxide?
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Chemistry, 22.06.2019 10:30
Asample of air with a volume of 2.20m3 at a pressure of 105 kpa and a temperature of 30c is cooled to 10c and the pressure is reduced to 75.0 kpa. what is the new volume? 6.9 1.34 2.56 43.0 2.88
Answers: 1
Chemistry, 22.06.2019 16:10
Given the following equation: 2a1 + 3mgcl2 --> 2alcl3 + 3mg how many moles of aluminum chloride are produced from 2.5 moles of magnesium chloride?
Answers: 1
THERMAL ENERGY CALCULATION
please help- I missed the lesson and don't even know where to begin.
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