Sunday

February 19, 2017
Total # Posts: 917

**Algebra**

How do you solve for x in this problems?? bx-2=10 x/2+e=9 5x+e=9 These are rather trivial. I will do one. The second: subtract e from both sides, then multiply both sides by 2.

*January 18, 2007*

**decision making**

Your manager is concerned and wants to make sure that you learned from this mistake and the likelihood of this happening in the future is minimal. Therefore she would like you to email her a reflective analysis about that decision. Be sure to address the following in your ...

*January 11, 2007*

**math**

Write in decimal form.94 17/ 1,000

*January 5, 2007*

**CHEM**

in addition to previous Q: for eg: why is the oxidation state (#) of Ca in CaH2 "+2"? According to a p.table I have here +2 is the only oxidation # for Ca...but how is that figured? One other eg: the oxidation state (#) of the maganese atom in KMnO4.6H2O is "+7&...

*December 14, 2006*

**CHEM**

What is the exact method/formula used to calculate oxidation state #'s? & how does one know when to use the correct oxidation state #? For example: Carbon carries 4,2,-4; Cl= 1,5,7,-1; and, Mn=2,3,4,7. Thanx. You use the seven rules in your text. Assigning of the oxidation...

*December 14, 2006*

**CHEM**

A gaseous hydrocarbon (an organic compound consisting of C & H) weighing 0.232g occupies a volume of 102mL at 23 degrees Celcius and 749mmHg. Calculate the molar mass and identify the compound. The compound is: a)C2H4 b)C3H6 c)C4H8 d)C5H10 e)C6H12 How is this problem worked ...

*December 13, 2006*

**CHEM**

thank you VERY much for your replies, DrBob. Another question, however: How many moles of ions -both cations and anions- are present in solution when 0.75 mol of potassium chloride is dissolved in 0.25L of distilled water? How do I work this answer to be: 1.5mol? KCl(s) + H2O...

*December 12, 2006*

**CHEM**

how do I work this question out?: 50.00g of NaCl are dissolved in water to give a solution that contains 2.500% NaCl by mass. The density of the solution is 1.030g/mL. The volume of the solution is: a)941.8mL; b)1.942L; c)2.500L; and, d)50.0mL. I know the answer is "b&...

*December 11, 2006*

**Math**

Find X 27^4x-2=243^3x=6 Please Explain Thanks Is this a repeat of the problem you posted earlier? If so, it should be 274x-2 = 2433x+6 You might try it the hard way. (4x-2)*log 27 = (3x+6)*log (243) Solve for x. I get -12. Post your work if you get stuck. You have too many = ...

*November 28, 2006*

**Math**

Find X 27^4x-2=243^3x+6 Please explain how to do it. Thanks 27^(4x-2)=243^(3x+6) Notice that 27 and 243 are both multiples of 3 Changing them.. (3^4)^(4x-2)=(3^6)^(3x+6) 3^4(4x-2)= 3^6(3x+6) taking the log base 3 of each side. (4x-2)= (3x+6) and solve for x. That doesn't ...

*November 28, 2006*

**Chem**

what is NH3 in written form? ammonia As a note, it is becoming more and more common to see ammonia written in IUPAC form, H3N, and the ammonium Ion written as H4N+

*November 17, 2006*

**acids and alkalis**

hello

*November 4, 2006*

**presentations**

Imagine you have a meeting with the CEO and other high ranking officers of a company that invests in distance learning start-ups. Your objective is to obtain a loan for a distance learning company that you would like to start. Fortunately, you have a mentor to whom you can ...

*October 21, 2006*

**Business Management**

As your first job as the new manager at the outdated, adversarial company, write a plan for changing its organizational structure, incorporating the following elements: Your vision of the new organizational structure for your division including how you would realign ...

*October 20, 2006*

**science**

chemical changes: hydrogen + oxygen = water or H20 and carbon+ oxygen = carbon dioxide or C02. Equation for the above are: Hydrocarbon + oxygen = carbon dioxide + water + energy. CH4+202 = C02+2H20 Physical changes are: wax (solid) melts into liquid. some of the waxy liquid ...

*October 20, 2006*

**Chem**

Are: Ba(NO3)2, Ti)2, MgI2, and Ca(CH3COO)2 soluble or insoluble in H2O @ 25degrees C? Here is a site that lists the solubility rules. You should know this table; eventually you will want to know it so well that it is memorized. If you still have questions after viewing this ...

*October 20, 2006*

**CJ -- proofread please**

The federal criminal pretrial process begins with the first appearance. This appearance is held before a magistrate during which the legality of the defendant’s arrest is initially assessed and the defendant is informed of the charges on which he or she is being held (...

*September 21, 2006*