A particular chemical reaction absorbs energy. It is possible to say the reactants possessed a lower energy than the products. True or False?

3.) A 208 g sample of sodium-24 decays to 13.0 g of sodium-24 within 60.0 hours. What is the half-life of this radioactive isotope? 121 in 10 day how long will it take a 50.00 g sample t

how to identify mesomeric effect and inductive effect

Chemical reactions when frying

Sodium carbonate is a reagent that may be used to standardize acids. true or False

What volume of a 0.25 M solution can be made using 0.75 moles of Ca (OH) 2

Selena is growing geraniums outdoors in a pot. During the day, the temperature in her area averages 22°C (72°F). At night, the temperature has been dropping to around 13°C (55°F). What advice would you give to Selena and why?

How many carbons are in a molecule of hexane?

How does th composition of a mixture of hydrogen and oxygen differ from the composition of a compound containing hydrogen and oxygen?

You are asked to prepare 500 mL 0.250 M acetate buffer at pH 5.00 using only pure acetic acid (MW=60.05 g/mol, pKa=4.76), 3.00 M NaOH, and water. Answer the questions regarding the preparation of the buffer. 1.

Which direction do electrons move in when metals react with non-metals?