Chemistry, 13.07.2019 12:30 jetblackcap
You have decided to do a science fair project involving plants. which of the following represents a well-stated hypothesis? a. if i vary the amount of sunlight then the plant will be affected. b. if my plant stays in my locker for 4 weeks then my locker will smell better. c. if the amount of sunlight is decreased then the growth rate will also decrease. d. the amount of sunlight each plant receives will directly affect the overall growth rate.
Answers: 2
Chemistry, 22.06.2019 14:30
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββpb(s)fe3+(aq)+3eββ½βββfe(=6.2Γ108=4.0Γ10β5=9.3Γ10β3 cu + ( aq ) + e β β½ β β β cu ( s ) k =6.2Γ 10 8 pb 2 + ( aq ) +2 e β β½ β β β pb ( s ) k =4.0Γ 10 β 5 fe 3 + ( aq ) +3 e β β½ β β β fe ( s ) k =9.3Γ 10 β 3 arrange these ions from strongest to weakest oxidizing agent.
Answers: 3
Chemistry, 23.06.2019 04:31
Which of the following is an example of how telecommunication devices people do their jobs? a.) a security guard checks the time using a digital watch. b.) a banker does some quick math using a solar calculator. c.) a nurse uses a digital thermometer to take a patientβs temperature. d.) a construction worker reports in to his office using a cell phone.
Answers: 1
Chemistry, 23.06.2019 06:30
What is the chemical formula for a compound between li and br? libr li2br libr2 libr3
Answers: 1
Chemistry, 23.06.2019 09:00
The concentration of ionic substances is important for the heart to beat. your heart responds to electrical impulses that travel through heart cells that are made up mostly of water. which properties of ionic compounds are important to support this function? solubility in water conductivity crystalline melting point
Answers: 3
You have decided to do a science fair project involving plants. which of the following represents a...
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