Saturday

August 27, 2016
Total # Posts: 30

**Chemistry**

If 845mL of a 2.5x10^-5 mol/L solution of Ni(NO3)2 was mixed with 195mL of a 4.86x10^-2 mol/L solution of KOH, would precipitate form? Calculate the ion product for the potential precipitate. The Ksp of Ni(OH)2(s) is 6.0x10^-16
*May 14, 2016*

**Chemistry**

What is the gram solubility of Mg(OH)2 in a 0.55mol/L solution of KOH if the Ksp of Mg(OH)2 is 9.0x10^-12?
*May 14, 2016*

**Native Studies**

thank you Jamlle, that would be very helpful if you could help at all!
*February 24, 2015*

**Native Studies**

I am to read "Final Statement of Louis Riel at his Trial in Regina, 1885" and list the TWO main ideas that Riel attempts to get across but am having trouble finding what they could be. I did notice he spoke highly of "God" and the "creator" and ...
*February 24, 2015*

**Math**

If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years
*November 7, 2014*

**Math**

1. If one wishes to accumulate a 30,000-fund in 5 years, how much should he deposit now at 18% compounded quarterly? 2. If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years 3. Suppose that a particular ...
*November 4, 2014*

**Math**

1. If one wishes to accumulate a Php 30,000-fund in 5 years, how much should he deposit now at 18% compounded quarterly? 2. If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate Php 50,000 in 15 years 3. Suppose that a particular ...
*November 3, 2014*

**Math**

1. What are the last two digits of 9^2013? 2. Show that 5^t=2 + 3(5^t+1) - 40(5^t) is equal to zero. 3. Under certain conditions, I = 10^D/10 where D is the number of decibels of a sound and I is its intensity. If he shouts with 30 more decibels that she talks with, what is ...
*November 2, 2014*

**Math**

Find the specified term of the expansion in each of the following: a.6th term of (3x + y)^9 b.Middle term of (3x+y^3)^8 c.The term in (x + 2y)^10 that involves x^7
*November 2, 2014*

**Math**

1. The population,P, in thousands, of a country is P=10^8(1.5)^t/20 where t is measured in years. How long will it take for the population to increase 125 percent?(Hint: If the population increases by 100 percent, it doubles.) 2. How long would it take for a P10,000 investment...
*November 2, 2014*

**math**

The length of the tropical year us 365.24220 days, as compared to the length of 365.2425 days used by the Gregorian calendar. How many years will it take for this difference to amount to 8 days? Round to the nearest year.
*May 7, 2014*

**math**

Bay Area Rental Cars charges $18 a day and $.14 per mile for renting a car. You rented a car for 4 days and drove 313 miles. Find your total cost for renting the car.
*May 7, 2014*

**math**

A temperature measurement from earths stratosphere is taken as -70 degree Fahrenheit. The temperature on the earths surface below is found to be 41 degrees Fahrenheit. Find the difference between the surface temperature reading and the stratosphere temperature reading.
*May 7, 2014*

**math**

a case of diet cola costs $7.23. If there are 24 cans in a case, find the cost per can. Round to the nearest cent. then find the number of cans you can buy per $1. Round to the nearest ten. Which number is more useful? why?
*May 4, 2014*

**chemistry**

What is the limiting reagent in this problem? A total of 40.0 mL of 0.55 M copper (II) sulfate solution is added to a beaker containing 2.02g of zinc.
*March 20, 2013*

**Physics**

A closed organ pipe has a fundamental frequency of 380 Hz at 30C. What would be its next higher resonant frequency at 18C?
*January 9, 2013*

**Algebra**

An investor invested a total of $1400 in two mutual funds. One fund earned a 6% profit while the other earned a 2% profit. If the investor's total profit was $72, how much was invested in each mutual fund?
*September 30, 2012*

**math**

Mariko walks into her dark room to pull socks out of the dresser. If she has 5 pairs of white socks, 3 pairs of blue socks, and 4 pairs of pink socks that are single (not matched up), how many socks does she need to pull out to make sure she ends up with 1 matching pair?
*January 24, 2012*

**algebra**

Jose traveled to San Diego at an average rate of 50 mph. Carlos made the same trip in one hour less time at an average rate of 60 mph. Find the distance of the trip.
*September 7, 2011*

**Math**

Triangle ABC is circumscribed about circle O and D,E, and F are points of tangency. If AD= 5, EB= 5 and CF= 10, find the lengths of the sides of the triangle and show that the triangle is isosceles
*May 12, 2011*

**honors geometry**

area= 1/2(b)(h) area= 1/2(25)(14) area= 1/2(350) area= 175
*May 12, 2011*

**science**

what is the lfe expectancy of a person with tay-sachs disease
*April 19, 2011*

**Health**

Which of the following are skin lesions? A. Wheal, Vesicle, Papilloma B. Impetigo, Herpes simplex, Tinea C. Contusion, Laceration, Abrasion D. Melanoma, Squamous cell carcinoma
*March 14, 2011*

**science**

A young man happens to spot an ex-girlfriend he's trying to avoid. Why does his mouth become dry?
*March 11, 2011*

**world history**

What dominated Nubia during the period of the New Kingdom.
*October 4, 2009*

**History**

I have to write an essay about if I think Columbus Day should be celebrated or not. I have decided to take the approach talking about how he really wasn't the first to discover America, unlike kids are taught in elementary school. The problem is, who really was the first ...
*September 28, 2009*

**5th grade social studies**

King of England during the american Revolution.
*September 17, 2009*

**Chemistry**

What are some examples of covalent bonds? What are covalent bonds made of? Thanks.
*March 4, 2009*

**science**

Is the conversion of light energy to electrical energy endothermic or exothermic?
*December 15, 2008*

**math**

Suppose you toss a coin and it you win a dollar if it comes up heads. If it comes up tails you toss the coin again. This time you get two dollars if it is heads. If it is tails you toss it again. This time you win four dollars if it is heads, but if it is tails you toss it ...
*October 31, 2008*

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