subject
Chemistry, 11.03.2021 21:00 ewaltz74

What volume of hydrogen gas (at STP) is produced if 34.3 g of potassium (K) metal reacts with water according to the chemical equation 2K(s) + 2H2000 > 2 KOH(aq) + H2(9)

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 21.06.2019 18:00
Aballoon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon? a balloon inflated with three breaths of air has a volume of 1.7 l. at the same temperature and pressure, what is the volume of the balloon if five more same-sized breaths are added to the balloon?
Answers: 3
question
Chemistry, 22.06.2019 10:10
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate,m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
question
Chemistry, 22.06.2019 12:30
Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)
Answers: 1
question
Chemistry, 22.06.2019 14:00
The content of manganese (mn) in steel was determined spectrophotometrically and with the use of the standard addition method. an unknown sample of mn from a digested steel sample gave an absorbance of 0.185 when analyzed spectrophotometrically. when 5.00 ml of solution containing 95.5 ppm mn was added to 50.0 ml of the unknown steel solution (digested sample), the absorbance was 0.248. calculate the concentration, in parts-per-million (ppm), of mn in the digested steel sample solution.
Answers: 3
You know the right answer?
What volume of hydrogen gas (at STP) is produced if 34.3 g of potassium (K) metal reacts with water...
Questions
question
Mathematics, 27.06.2019 16:30
question
Computers and Technology, 27.06.2019 16:30
question
Advanced Placement (AP), 27.06.2019 16:30
Questions on the website: 13722361