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Finding the pH of a solution.
What is the pH of a solution obtained by mixing 38.2g HClO4 and 28.9g HCl in sufficient water to make 0.750 L of solution?
pH = ____________
Position Paper - CHEM 121 6380 Chemistry in the Modern World (2168) Position Paper: To Frack or not to Frack Imagine you are the administrator of the city or town where you currently reside. A rich deposit of shale oil h ...
When 100ml of M/10 H 2 SO 4 is mixed with 500ml of M/10 NAOH then nature or resulting solution and normality of excess of reactant left is
EXPERIMENT #1: QUALITATIVE ANALYSIS OF UNKNOWN IONS IN A SOLTUION Analysis of an Unknown Individual Pre-lab 1. The main goal/purpose of the experiment is (what are you trying to discover in this lab): a. What are the que ...
Question 1. An aqueous solution of furfural contains 4 mol%furfural. It is to be continuously fractionated at 1 stdatm pressure to provide solutions containing 0.1 and 99.5 mot% furfural respectively. Feed is liquid at b ...
1. Estimate the degree of polymerization of with an average molecular weight of 150,000 the molecular weight of an ethylene monomer is 28 2. To enhance processability of a polymer why would you want to decrease its molec ...
An ancient gold coin is 2.2 cm in diameter and 3.0 mm thick. It is a cylinder for which volume = (p)(radius)2(thickness). If the density of gold is 19.3 g/cm3, what is the mass of the coin in grams?
Explain the structure of a water molecule and how hydrogen bonding leads to some of its very special properties. Be sure to include how these properties are important to life on Earth.
1. Use the balanced equation to answer the question. 2 C 2 H 6 ( g ) + 5 O 2 ( g ) 4 CO( g ) + 6 H 2 O( g ) How many moles of O 2 are needed to react completely with 1.8 moles of C 2 H 6 ? 2. Enter your answer in the pro ...
1. Literature interpretation. (a) Find an article in the popular literature (e.g., newspaper, web, magazine, etc.) concerning some aspect of water chemistry that interests you. (b) Read and dissect the article. Take note ...
Question: A solid block of exactly 100.0 cm^3 cubed has a mass of 153.6g. Determine its density.Will the block sink or float on water.
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A cola-dispensing machine is set to dispense 9 ounces of cola per cup, with a standard deviation of 1.0 ounce. The manuf
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