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The teacher heated mercury (II) oxide (HgO) by using a lens to focus the rays of the sun on a sample of the red powder. It decomposes into its elements. Write the balanced equation for this reaction. If 71.8 g of Hgo is decomposed, calculate the volume of oxygen at STP.
Calculate how wide is the cloud of organisms at the time peak concentration takes place at the intake pipe.
Consider the following cell: Pt|H2(g, 0.645 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.20 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V.
Consider the following reaction: PCl5(g) -> PCl3(g) + Cl2(g) .At equilibrium, [PCl5] = 2.00 M and [PCl3] = [Cl2] = 1.00 M. If suddenly 1.00 M PCl5(g),PCl3(g), and Cl2(g) are each added.
Assume three significant figures and an average wavelength of 504 nm for solar radiation. A green leaf has a surface area of 2.00 cm^2
A fellow student is having trouble understanding polar covalent bonds, non-polar covalent bonds, and ionic bonds. Describe how you would help your the fellow student
Calculate the mass of silver chloride required to plate 245 mg of pure silver. Silver chloride, often used in silver plating, contains 75.27% Ag
When you heated the hydrated compound this process starts slowly at first find out the reason behind this and compute k for this acid if A 0.020 M solution of weak acid HA is 0.60% ionized.
The equilibrium constant at 427°C for the reaction N2(g) + 3H2(g) 2NH3(g) is Kp = 9.4 × 10-5. Calculate the value of ΔG° for the reaction under these conditions.
determine the final volume of the gas If the gas ocupied 68mL, initally and determine the molarity of the solution
What is the molar concentration of sodium hydroxide solution if a titration involved 0.0058 mole NaOH and 31.87 ml of sodium hydroxide.
How much HCl is leftover after the 20.0 mol of HCl reacts with the 12.5 mol of NaOH?
Structures of Acids, The chiral carboxylic acid A (C5H6O2) reacts with 1 mol of hydrogen gas on catalytic hydrogenation.
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