Which sample at stp has the same number of molecules as 5 liters of no2(g) at stp?
(1) 5 gram...
Chemistry, 10.10.2019 18:30 jeronimo18
Which sample at stp has the same number of molecules as 5 liters of no2(g) at stp?
(1) 5 grams of h2(g)
(2) 5 liters of ch4(g)
(3) 5 moles of o2(g)
(4) 5 × 1023 molecules of co2(g)
Answers: 3
Chemistry, 21.06.2019 17:30, girlchamp654
What is the percentage by mass of silicon (si) in iron aluminum silicate (fe3al2(sio4)3)?
Answers: 2
Chemistry, 23.06.2019 05:00, neidaq12345
110 g of water (specific heat = 4.184 j/g c) and 100 g of a metal sample (specific heat = 0.397 j/g c) are heated from 25 degrees c to 75 degrees c. which substance required more thermal energy?
Answers: 1
Mathematics, 26.03.2021 21:10
Mathematics, 26.03.2021 21:10
Mathematics, 26.03.2021 21:10
Geography, 26.03.2021 21:10
Mathematics, 26.03.2021 21:10