How many moles of ammonia gas are in 35.7 liters at STP?

What type of electromagnetic radiation has a shorter wavelength than blue light

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane

Which diagram shows the correct way to represent an ionic compound of magnesium oxide?