Tuesday

June 28, 2016
Total # Posts: 8

**Math **

How much water do i need to mix with potassium chloride to make 30 cc
*June 18, 2016*

**Math**

Explain what each of the following expressions means. Evaluate each expression for x = 0.5. Some of these may be asking for inverse and not raising to exponent of -1. Enter the exact value for angles, and round any values to three decimal places. sin^-1 x = ? sin(x^-1) = ? (...
*November 7, 2014*

**Chemistry**

Using VSEPR what is the shape of ammonia (NH3) and water (H2O) when bonded to a hydrogen bond?
*January 28, 2012*

**chemistry!!**

Compute the amount of heat released (absolute value) when 1.1 kg of liquid ethanol is burned in excess oxygen to make carbon dioxide and liquid water
*December 2, 2011*

**Trigonometry**

verify the identity: (sin^3x-cos^3x)/(sinx-cosx)=1+sinxcosx
*May 30, 2011*

**Trigonometry**

verify the identity: (1-cosx)(1+cosx)= sin^2 x
*May 30, 2011*

**Trigonometry**

solve: tan x/2= sqrt3/ 3
*May 30, 2011*

**geometery**

What shape has perperndular line segments?
*May 24, 2011*

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