How many moles of h2o are needed
Acetylene gas (C2H2) is produced as a result of the following reaction. CaC2(s)+2H2O(l) = C2H2(g)+Ca(OH)2(aq) . If 32.0 g of CaC2 are consumed in this reaction, how many moles of H2O are needed?
Expected delivery within 24 Hours
Identify any incorrect formulas. explain your answer.
In the barium chloride laboratory activity, what change occurred in the physical appearance of the barium chloride during the heating process?
Silver has two naturally occurring isotopes. Find the percent abundances of 107Ag and 109Ag given the atomic mass of Silver = 107.868 amu.
What would be the molar concentration of NaClO if 90.0 mL of water were added to a 10.0 mL sample of the bleach?
Calculate the equilibrium concentrations of H2O, CO2, and H2 in a reaction mixture obtained by heating 6.00 of steam and an excess of solid carbon in a 4.25 container.
Calculate the equilibrium concentrations of , , and in a reaction mixture obtained by heating 5.65 of steam and an excess of solid carbon in a 5.45 container.
A 25.0 mL sample of river water was titrated with 0.0010 M Na2Cr2O7 and required 8.3 mL to reach the end-point. What is the chemical oxygen demand, in milligrams of O2 per liter, of the sample?
A compound has the empirical formula CH2O. When 0.0866 g is dissolved in 1.000 g of ether, the solution's boiling point is 36.5°C. Determine the molecular formula of this substance.
Calculate the uncertainty (in nm) in the position of an electron with the velocity of 2.00x103 m/s (the velocity is the same as in the preceding problem) and the uncertainty in the velocity is 1%.
The volume of sea water displaced by the plastic block is 3.35 cm3. Assuming the density of the sea water is 1.025 g/mL, what is the density of the plastic?
1929066
Questions Asked
3,689
Active Tutors
1422912
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Given Hofstede's dimensions, in what way do the cultures of Burger king (America) and Tim Hortons (Canada) significantly differ?
Discuss the importance of format, location, and frequency in determining the optimal data visualization method. Is one more important than the other?
Your CEO has requested that you update the senior management team by means of a brief report that will describe the reasons for freight classification
Problem: What term describes the system of rules that establish moral values and guide behavior?
Discuss a brand that adapts its positioning by targeting different customer segments in different countries.
Question: Provide revenue in USD and growth rate for year 2019, 2020, 2021 of Michelin.
Problem: Which internal OR external (pick one) communications were most essential?