Ey Stage 3 Science - Chemistry Reduce contrast
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Question 10 of 10
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Julie blows a bubble. At first, the pressure of the gas in the bubble is 4kPa. The bubble floats into the air and expands. When it gets to the top of
a tree the bubble has a pressure of 2kPa and a volume of 3.5m?. Assuming a constant temperature, what was the volume in mº of the bubble
when it was first blown?
Enter your answer as a number
m3

Read the sentences below in 1962, i tried to enroll as the first black student at the university of mississippi. the governor of mississippi blocked my entrance which best describes the verbs used in the sentences? o they are past tense verbs, which are often used in narrative essays o they are past tense verbs, which are not often used in narrative essays. o they are future tense verbs, which are often used in narrative essays o they are future tense verbs, which are not often used in narrative essays.

18

False, as a substance changes from a solid to a liquid and from a liquid to a gas the molecules get farther apart from each other