Is it true that in a solution the tiny pieces of one substance are spread equally through the other substance

Ou are to give ampicillin, with a recommended dose of 45 mg/kg, to a child with a mass of 22 kg. If stock on hand is 250 mg/capsule, how many capsules should be given?

Match the SI unit to the quantity it measures. second gram kelvin mole ampere meter candela kilogram nanosecond mass arrowRight temperature arrowRight time arrowRight electric current

23. How much heat do you need to raise the temperature of 100g of aluminum from 15oC to 45oC? q=mC∆T

1-Butanol, 1-butene, and di-n-butyl ether are all removed from the product by washing with concentrated sulfuric acid. Explain why these are removed and why 1-bromobutane is not removed.

Which of the following abiotic factors would likely affect humans directly? soil pH humidity number of sunny days water availability

What is the mass of 3 L of water vapor at 120◦C and 388 torr?

List three things you would need to consider to determine whether or not a chemical system is at equilibrium?

How many moles of methane gas molecules, CH4, are in 11.2 liters of methane at standard conditions? a. 11.2 moles b. 27.2 moles c. 179.2 moles d. 0.5 moles

The valve between a 2.00-L bulb, in which the gas pressure is 1.80 atm, and a 3.00-L bulb, in which the gas pressure is 3.40 atm, is opened. What is the final pressure in the two bulbs, the temperature remaining constant?

What determines the order of placement of the elements on the modern Periodic Table? 1. atomic number 2. atomic mass 3. the number of neutrons, only 4. the number of neutrons and protons