Chemistry, 13.10.2019 09:10 spellsaltoniza
Achange of state requires the addition or removal of heat energy.
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Chemistry, 22.06.2019 14:00
What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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Chemistry, 23.06.2019 01:00
Imagine if during the cathode ray experiment, the size of the particles of the ray was the same as the size of the atom forming the cathode. which other model or scientific observation would have also been supported? 1. this would support dalton's postulates that proposed the atoms are indivisible because no small particles are involved. 2. this would support bohr's prediction about electrons moving in orbits having specific energy. 3. this would support bohr's prediction about electrons being randomly scattered around the nucleus in the atom. 4. this would support dalton's postulates that proposed that atoms combine in fixed whole number ratios to form compounds.
Answers: 1
Chemistry, 23.06.2019 01:00
Which of the following is the molecular formula for a simple sugar? a. cooh b. h2o c. oh d. c6h12o6
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Chemistry, 23.06.2019 02:30
What type of energy conversion occurs when you place your feet near the fire place and they become warm
Answers: 1
Achange of state requires the addition or removal of heat energy....
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