Brianne
This page lists questions and answers that were posted by visitors named Brianne.
Questions
The following questions were asked by visitors named Brianne.
Is the conversion of light energy to electrical energy endothermic or exothermic?
16 years ago
What are some examples of covalent bonds? What are covalent bonds made of? Thanks.
16 years ago
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 real...
16 years ago
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
14 years ago
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
14 years ago
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.
14 years ago
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...
13 years ago
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 fo...
10 years ago
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
10 years ago
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...
10 years ago
If a bank offers a rate of 4.5% compounded semiannually, how much should you deposit to accumulate 50,000 in 15 years
10 years ago
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 how he had...
10 years ago
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?
9 years ago
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
9 years ago
You have a 99.0 L vessel at 240.0 K that contains 75.0 g of CH4 gas and 35.0 g of CO gas, what is the total pressure of the system (in atm)?
3 years ago
The specific heat capacity of nickel is 0.440 J/(gK). If you have a nickel ball that starts at 100.0 °C and gets dropped into a calorimeter containing 50.0 g of water (yes, you should know the specific heat of water), which goes from 20.0 °C to 23.5 °C. W...
3 years ago
Given the molecules H2S and H2O are both in the same chemical Group, which do you predict to have the higher boiling point and why? Be specific, points will be awarded on the appropriate use of terminology and concepts.
3 years ago
Answers
The following answers were posted by visitors named Brianne.