Chemistry, 24.09.2019 05:50 cactuskatherine
Apaper clip can stay on the surface of a sample of water because of water's strong surface tension. what is the cause of this surface tension? (hint: review question 6)
question 6: why are water molecules attracted to each other? it is neutral. because of the way oxygen and hydrogen are bonded together, water has an area of positive charge and an area of negatative charge. this makes water a polar molecule. because of water's polarity, water molecules are attracted to each other.
Answers: 1
Chemistry, 22.06.2019 10:00
The reactions shown here can be combined to make the overall reaction c(s) + h2o(g) ⇌ co(g) + h2(g) by reversing some and/or dividing all the coefficients by a number. a. c(s) + o2(g) → co2(g) k=1.363×10^69 b. 2 h2(g) + o2(g) → 2 h2o(g) k=1.389×10^80 c. 2co(g) + o2 (g) → 2 co2(g) k=1.477×10^90
Answers: 1
Chemistry, 22.06.2019 20:10
Suppose you mix one mole of sulfuric acid (h2so4) with 1 mole of sodium hydroxide(naoh). why does the ph of the solution remain below 7? ( explain so i can get better understanding! )
Answers: 2
Chemistry, 23.06.2019 05:30
Scientist think that animals with remarkably similar embryo development probably shared a common ancestor
Answers: 1
Apaper clip can stay on the surface of a sample of water because of water's strong surface tension....
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