How are alkaline earth metals different from alkali metals?

53. Which of the following polymer is suitable for packaging electrical insulator? A. polystyrene B. polyethylene C. polyamide D. polycarbonate

How many grams of glucose are in 11.5 moles?

A bomb calorimeter has a heat capacity of 2.18 kJ/K. When a 0.176g sample of gas with a molar mass of 28.0 g/mol was burned in this calorimeter, the temperature increases by 2.12 K. Calculate the heat of combustion for 1 mol of this gas. - 1.

60g of vinegar was used in a chemical reaction with baking soda. The total mass of the products is 140g. what was the mass of the baking soda? A) 60g B) 80g C) 140g D) 200g

What is the structure inside the nucleus

My mom said that if i get held back in 7th i will go back to 6th bc supposedly that means i diddnt learn enough in 6th is that true

A 100.0 mL bubble of hot gases at 225 °C and 1.80 atm escapes from an active volcano, what is the new volume of the bubble outside the volcano where the temperature is - 25 °C and the pressure is 0.80 atm?

At chemical equilibrium, the amount of (product and reactant is zero, product and reactant remains constant, product is zero) because (all molecules have the same activation energy, an equal number of molecules take part in the reaction, the rates

Which of these factors makes nuclear energy unsustainable? A. Nuclear power plants last the longest. B. Nuclear energy requires wind turbines. C. Nuclear power plants cost the most to build. D. Nuclear energy relies on uranium.

How is a combustion reaction like the respiration reaction? List many similarities as you can.