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Chemistry, 22.06.2019 18:30
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
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Chemistry, 22.06.2019 18:50
Which of the following is a conclusion that resulted from ernest rutherford’s scattering experiment? (will mark brainliest) a. the nucleus is negatively charged b. the atom is a dense solid and is indivisible c. the mass is conserved when atoms react chemically d. the nucleus is very small and the atom is mostly empty space
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Chemistry, 22.06.2019 19:50
When the mercury level in a barometer decreases that atmospheric pressure has
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Chemistry, 23.06.2019 06:30
Moving force of air flows from areas of high pressure to areas of low pressure true or false
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a cylinder container is filled with air. its radius is 6cm and its height is 3.5cm. what is the volu...
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