3) How Many moles are in 0.500 milligrams of the "emergency" hormone, adrenaline, whose formula

is C9H13NO3?

A 7.0-liter sample of N2 (g) at 3.50 atm, a 2.5-liter sample of Ne (g) at 1.00 atm, and a 5.0-liter sample of H2 (g) at 2.45 atm are transferred to a container. The temperature remains constant throughout at 25 °C.

What is the symbol for the element sodium?

Sodium chloride was dissolved in water to produce a 1.5M solution. Explain what this concentration tells us about the NaCl solution. How might a chemist use this ratio?

How do I convert 261 g → kg

What is pH level, what are its characteristics, and how does it contribute to pollution?

What type of chemical process is used to create perfume?

Which of the following is a polyatomic ion? O A. HCI O B. Na O C. PO, O D. 52

What are the cations and anions for V2 (CO3) 3

If you were asked to convert 4.2 x 1022 atoms of aluminum to moles, which of the following should you use for the conversion?

Carbonic acid (H2CO3) does not dissortate 100 percent in water. What type of substance is it? weak acid Strong base strong acid weak base