Chemistry, 01.03.2021 02:20, glitterpanda2468
***Plz help me Iβm really struggling with them. I will give brainlists for the right answers
β’2KCIO3 β 2KCI+ 302
What volume of oxygen gas (O2) does 30.0 grams of potassium chlorate (KCIO3) produce at STP based on the equation shown?
A)8.23 L
B)4.63 L
C)9.98 L
D)1.16 L
β’What is the mass of 14.6 L of CO 2 (g) at STP?
A)31.1 g
B)49.0 g
C)13.4 g
D) 28.7 g
β’Zn+2HCl H 2 +ZnCl 2
how many of hydrogen gas (H2 ) will be produced if 31.2 g of zinc allowed to react with excess hydrochloric acid?
A)10.7L
B)2.82 L
C)9.66 L
D)4.30 L
Answers: 3
Chemistry, 21.06.2019 22:30, alexisgoss8091
Which traits do human embryos have that link them to a common ancestor with fish and reptiles? a. scales and tail b. gill slits and scales c. tail and gill slits d. hair and tail
Answers: 2
Chemistry, 22.06.2019 01:40, georgehall3027
C3h8o3 - glycerol major species present when dissolved in water
Answers: 2
Chemistry, 22.06.2019 14:30, joejoefofana
Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββ pb(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
***Plz help me Iβm really struggling with them. I will give brainlists for the right answers
β’2KCIO...
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