Question 3 (1 pts)
2 As (s) + 6 NaOH (aq) → 2 Na3AsO3 (s) + 3 H2 (g)
If 34.0g of As rea...
Chemistry, 25.01.2021 23:00 lightsofthedarkness
Question 3 (1 pts)
2 As (s) + 6 NaOH (aq) → 2 Na3AsO3 (s) + 3 H2 (g)
If 34.0g of As react with excess NaOH at STP, what volume of H2 will be produced in liters?
Question 4 (1 pts)
SnO2 (s) + 2 H2 (g) → Sn (s) + 2 H2O (l)
What mass of water is produce when 79.0g of SnO2 are consumed in the reaction above?
Question 5 (1 pts)
C3H8(g) + 5 O2 (g) → 3 CO2 (g)+ 4 H2O (g)
What volume of oxygen is required to completely combust 0.499L of propane (C3H8) at STP?
Answers: 3
Chemistry, 22.06.2019 12:00, sophiaa23
Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.
Answers: 2
Chemistry, 23.06.2019 10:00, eyeneedalife
Abike ride event is 30 miles. a first aid tent is put at the 3/4 mark of the course. how many miles from the starting point is the first aid tent?
Answers: 1
Chemistry, 23.06.2019 12:30, hollycoleman13
Choose one literary selection from this semester in which you think the setting has a great impact on the work. in a full paragraph name the work, describe the setting, and explain why it is so important to the overall story or poem.
Answers: 1
Social Studies, 20.03.2020 12:55
Social Studies, 20.03.2020 12:55
Physics, 20.03.2020 12:55
Physics, 20.03.2020 12:55
Mathematics, 20.03.2020 12:55
Mathematics, 20.03.2020 12:55