A 5.50 gram sample of C2H6 gas has a volume of 2.50 L. If the sample is at 41.20C, what will it's pressure be?

26 A substance that dissolves in water and produces hydronium ions as the only positive ions in the solution is classified as (1) an alcohol (3) a base (2) an acid (4) a salt

Which tool would you use to predict the percentage of offspring that will have a specific trait? Group of answer choices Microscope Flowchart Pedigree chart Punnett square

Use the drop-down menus to answer the questions. Which type of radioactive decay produces particles with a positive charge and very small mass? Which type of radioactive decay produces radiation with zero mass?

Examples Of Physical And Chemical Properties Examples of physical property and chemical property.

If an isotope of iron (Fe) has 23 electrons, what charge does it have?

How many moles of copper are needed to react with sulfur to produce 0.25 moles Ol copper (1) sulfide according to the following reaction: 2 Cu + S + Cuzs

If you wish to warm 52 kg of water by 22 ∘c for your bath, find what the quantity of heat is needed. express your answer in calories cal.

Which of the following compounds is the most soluble in water? a) propanoic acid b) propane c) propanal d) l-bromopropane

What mass of solid Na2CO3 is required to make 250.0mL of a 0.125M solution of Na2CO3?

The atomic mass of carbon is 12.011 g/mol. how many atoms of carbon have that exact mass? why?