Answers: 2
Chemistry, 22.06.2019 18:30, kate3887
When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?
Answers: 1
Chemistry, 23.06.2019 11:30, baptistatm51976
If 4.8 moles of x and 3.4 moles of y react according to the reaction below, how many moles of the excess reactant will be left over at the end of the reaction? 3x + 2y “yields”/ x3y2. a. 1.7 mol y left over b. 1.6 mol x left over c. 0.2 mol y left over d. 0.1 mol x left over
Answers: 1
Which scenario represents a scientific investigation?...
Mathematics, 19.06.2021 09:30
Mathematics, 19.06.2021 09:30
Physics, 19.06.2021 09:50
Mathematics, 19.06.2021 09:50
Mathematics, 19.06.2021 09:50
Mathematics, 19.06.2021 09:50
English, 19.06.2021 09:50
Mathematics, 19.06.2021 09:50
English, 19.06.2021 09:50