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Question
Explain how the source of the magma, along with the temperature and cooling rate of magma/lava determines the composition and texture of different igneous rock types. Terminology expected in your answer includes: magma, lava, crust, mantle, silica, phaneritic, aphanitic, extrusive, intrusive, mafic/basaltic, intermediate/andesitic/, and felsic/rhyolitic. Also - you should use the names of actual igneous rock types to illustrate your explanation.
You are the chief environmental officer of an industrial operation of your choosing. Describe your operation, its different components or stages, the materials used and the type of wastes generated.
Dimethylamine, (CH3)2NH, is a weak base ( Kb = 5.4 x 10?4). What is the pH of a 0.50 M solution and what is the percent dissociation
Nitric acid is purchased in a concentrated form that is 70.3% by mass and has a density of 1.41 g/mL. Describe exactly how you would prepare 1.15L of 0.100 M solution
Which is the more correct statement: "The methane molecule (CH4) is a tetrahedral molecule because it is sp3 hybridized" or "the methane molecule is sp3 hybridized because it is a tetrahedral molecule"
Determine how many moles of each product would form and Considering the given equation
If the rate expression is first-order in SO2 and half-order in O2, calculate the value for k.
200 mL of 1.00M NaOH is reacted with 200 mL of 1.00 M HCl in a calorimeter. The calorimeter and the solutions were at an initial temperature of 19.5oC before mixing.
Problem- A 0.2277 g sample contained only NaCl and KBr. It was dissolved in water and titrated with a 0.04811 M solution of AgNO3. Complete titration of both halides was found to require 51.27mL of the AgNO3 solution. Calculate the weight percent ..
Here it is. Analysis of several samples of a material containing only iron and oxygen gave the following results. Could these samples be the same compound
sodium-24 is a radioistope with half life of 15 hors. a sample of pure sodium-24 has an inital mas of 400.0g. what mass
A reverse osmosis unit is used to obtain drinkable water from a source that contains 0.570 g NaCl per liter. What is the minimum pressure (in torr) that must be applied across the semipermeable membrane to obtain water. Assume room temperature or ..
calculate the value for E for the cell at 25oC (b) A current is drawn from the cell until 1.20 g of silver have been deposited at the silver electrode. Calculate the value of E for the cell at that stage of operation.
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