Is water freezing into ice a chemical or phsyical change?

I don’t remember ??? 27 ✅ Answers ? Favorite Answer Physical change. because only the distance between the molecule changes, i.e. a physical property. The inter-molecular distance decreases because water receives heat energy, and then they start to bond with each other and create an attraction. From here, the volume decreases etc. However, the molecular … Read more

Quick Chemistry question?

50 g of MgCl2 was dissolved in enough water to make a 1 mL solution. What is the concentration of Cl-? 3 ✅ Answers ? Favorite Answer I suppose by : “concentration of Cl-” you mean the molar concentration of Cl- ions. Molar mass MgCl2 = 95.2 g/mol Mol MgCl2 in 50.0g = 50.0/95.2 = … Read more

what are the legal ways to get high?

29 ✅ Answers ? Favorite Answer appriciating your life isnt enough!!!!!!!!!!!! 2 Legal Ways To Get High Source(s): https://shorte.im/a857c three doses or so of robutussin or nyquil (called robo-trippin’ in some circles) will make you high, hallucinate, do stupid things, and then pass out. A number of muscle relaxants can really **** you up–just go … Read more

chem help Gen chem 121?

The density of air at ordinary atmospheric pressure and 25 C is 1.19 g/L. What is the mass, in kilograms, of the air in a room that measures 13.5 X 19.5 X 7.0ft? Express your answer using two significant figures. 1 Answer ? Favorite Answer The density of air at ordinary atmospheric pressure and 25 … Read more