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1) find the name of hazardous chemicals and write formula and how will handle these hazardeous chemical in the lab from below ammonia, bleach, dish detergent, hand sanitizer, hand soap, lemon juice, shampoo, codium bicarbonate, vinegar, sodium hydroxide, pond h20?
2) you decide to use methyle red indicator instead of universal indicator for preparation of youe ph color standard what effect have on your data?
3)if you failed to rinse off the electrodes after measuring the ph of one solution before going to the next solution.
A 12.0g- sample of a gas has a volume of 5.25g at 28 celcius and 757mmHg If 2.7g of the same gas is added to this constant 5.25L- volume and the temperature raised to 64 celsius, what is the new gas pressure?
calculate the concentration in molarity of a NaOH solution if 25.0 ml of the solution are needed to neutralize 17.4 ml of a .312 M HCl solution.
Calculate the initial pH, pH after addition of 20 mL HCl, pH after addition of 50 mL HCl, pH at the equivalence point, and pH after addition of 120 mL HCl.
Draw the structural formulas for any three compunds with the molecular formula C4H10O. If its an alcohol, classify each alcohol as primary, secondary, or tertiary?
Write the complete ionic equation for each reaction that produced a precipitate? Write the net ionic equation for each reaction that produced a precipitate?
Specific rotation of α and β -D-glucose - Determine the percentage of each anomer at equilibrium.
Molecular iodine, I2(g), dissociates into iodine atoms at 625 K with a first-order rate constant of 0.271 s^-1. If you start with 7.0×10?2 M I2 at this temperature
Consider the following reactions and select the false statement below. CO2(g) + OH?(aq) ? HCO3?(aq) Cr3+(aq) + 6H2O(l) ? Cr(H2O)63+(aq) A. in Cr(H2O)63+ the Cr3+ is attracted to the H2O molecules via ion-dipole intermolecular forces
A 25.72 mL sample of a 0.200 M solution of barium nitrate is mixed with 11.19 mL of a 0.250 M solution of potassium sulfate. Assuming that all ionic species are completely dissociated
Find out the Celsius temperature of 2.49 mol of gas contained in a 1.00 L vessel at 1.8 atm pressure.
an irregular shape of metal has a mass of 54.6 grams and displaces 2.83 cm^3 of water when dropped into a graduated cylinder filled with water. What is the identity of the pure metal?
What is the volume of a balloon that contains 34 moles of calcium bicarbonate?
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