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calculate the heat of neutralization from the following data . 200 ml of 1 M HCl is mixed with 400 ml of 0.5 M Na OH . The temperature rise in calori meter was found to be 4.4 o c . water equivalent of calorimeter is 12 g and specific heat is 1 cal / ml -oc for solution
the density of phosphorus vapour at 310 degrees celcius and 75 mmHg is 2.64 g/L. What is the molecular formula of the phosphorous under these conditions?
The following minerals are ones that you will need to know for this class. For each mineral, please include the following information: Chemical formula, class they belong to, physical description, Mohs hardness (can be rough estimation), cleavage/..
Question- How many mL of 1.20 M HCl would you add to 10.0 g of the compound B, (121.14 g/mol) to make a pH 7.60 buffer. The Ka for HB+ is 8.51 x 10-9
Explain A 150ml solution of 0.0100M CaCl2 is mixed with 50mL of a 0.0100M KOH. Define what is the solubility of calcium in the mixture
An 80.0-gram sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was done by the system and its internal energy increased by 6275 J. What is the specific heat of the gas
for this reaction answer the following questions cu 2 agno3 -gtcuno32 2 aga.how many grams of copper are required to
methyl orange is an acid-base indicator. in dilute solution at ph greater than 4.4 it is yellow. at ph 3.2 the
A mixture of 0.156 moles of C is reacted with 0.117 moles of O2 in a sealed 10.0 L vessel at 500. K, producing a mixture of CO and CO2. What is the partial pressure of CO
Offer the structures of the expected main organic products(s) generated upon completion of the subsequent reaction scheme.
consider the following reaction2n2og rarr 2n2g o2gin the first 15.0 s of the reaction 1.7times10-2nbspmol o2nbspis
1. gold can be hammered into extremely thin sheets called gold leaf. if a 208-mg piece of gold density 19.32 gcm3 is
the compound x2y has a molar mass of 110.27 gmol. the ratio of xy by mass in the compound is 2.44 1. what is the
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