Chemistry, 14.01.2021 21:50 bajnathhannavanna
the half-life of sodium-24 is 15 days. A laboratory technician measures out a 72 g sample. Approximately how many grams of sodium-24 would remain after 45 days?
Answers: 2
Chemistry, 21.06.2019 20:30
1. calculate the approximate enthalpy of the reaction in joules. estimate that 1.0 ml of vinegar has the same thermal mass as 1.0 ml of water. iqnore the thermal mass of th sodium bicarbonate. note: it takes about 4.2 joules () to change 1.0 gram (1.0ml) of water 1.0 c
Answers: 2
Chemistry, 22.06.2019 05:30
Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?
Answers: 2
Chemistry, 22.06.2019 21:00
Write a balanced equation showing the formation of copper (ii) nitrite from its elements
Answers: 1
the half-life of sodium-24 is 15 days. A laboratory technician measures out a 72 g sample. Approxima...
Mathematics, 01.12.2021 03:50
Mathematics, 01.12.2021 03:50
Mathematics, 01.12.2021 03:50
Biology, 01.12.2021 03:50
Business, 01.12.2021 03:50
Social Studies, 01.12.2021 03:50
Mathematics, 01.12.2021 03:50