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14-12-2022
Chemistry

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help i wasnt here for any of this i was home sick and my teacher gave me a test

help i wasnt here for any of this i was home sick and my teacher gave me a test class=

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help please, i wasnt here in class for any of this lesson i was sick, and he gave me a test to take home i don’t understand any of it

help please, i wasnt here in class for any of this lesson i was sick, and he gave me a test to take home i don’t understand any of it

please help me with this

Can you help me with this please? I really need help with it

Help me please could someone explain how to do the equation. Calculate the mass of Na2CO3 needed to make 250 mL of a 0.2 M solution of sodium carbonate. Enter

what was one reason for the creation of a bicameral legislature in the united states?

Find the thickness of the material: This latest alien sample is crazy thin and very tough. After it was cut into something very rectangle-ish with sides of 54.2

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Evaluating The reaction between magnesium and hydrochloric acid produces hydrogen. If you increase the concentration of HCI, the reaction takes place faster. Co

Consider the chemical equations shown here. 1. 2H₂ (g) + O₂ (g) ⇒ 2H₂O (g) | ΔH1 = -483.6 kJ/mol ΔH1 ÷ 2 = -241.8 kJ/mol 2. 3O₂ (g) ⇒ 2O₃ (g) | ΔH2 = 284.6 kJ/m