To identify a diatomic gas (X2), a researcher carried out the following experiment: She weighed an empty 2.9-L bulb, then filled it with the gas at 1.30 atm and 29.0 °C and weighed it again. The difference in mass was 4.3 g. Identify the gas.
Express your answer as a chemical formula.
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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.