How many valence electrons does phosphorus have?

2 metercube of air kept in a vessal at 1 bar pressure is transferred into a 5 meter cube vessel find the pressure of the gas

Which statement is correct? The enthalpy of the reaction is - 184.6 kJ, and the reaction is exothermic. The enthalpy of the reaction is - 184.6 kJ, and the reaction is endothermic. The enthalpy of the reaction is 184.

100mL of a 6 M solution

What are storm surges

A solution contains 14 grams of KCl in 100. grams of water at 40ºC. What is the minimum amount of KCl that must be added to make this a saturated solution? A) 14 g B) 19 g C) 25 g D) 44 g

What volume of carbon dioxide measured at STP will be formed by the reaction of 1.42 mol of oxygen with 0.900 mol of ethyl alcohol?

Substance A and substance B were dissolved in two separate 100 mL beakers of water, which each started at a temperature of 25.1°C. The mixtures' temperatures were measured and recorded as shown in the table below. Substance Initial Temp. Final Temp.

Jaina just got home from a difficult workout. She is complaining of muscle soreness and cramps. Which waste product of fermentation caused the soreness and cramps?

Balance equation C5H10+O2=CO2+H2O

The Scott Test is used when which drug is suspected?