Physics, 19.05.2021 14:00 serenityharmon1
How many moles are there in a 2,500 cm 'sample of oxygen at a temperature of 24 °C and a pressure of 125 kPa?
Answers: 2
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If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?
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1kg of water needs to recieve 4200j of energy to go from 90 degrees to 91 degrees. what is the specific heat capacity of water? what are the units?
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The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
Answers: 3
How many moles are there in a 2,500 cm 'sample of oxygen at a temperature of 24 °C and a pressure
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