How many kilojoules are required to raise the temperature
How many kilojoules are required to raise the temperature of a 150. g sample of silver from 25 degree celcius to 135 degree celcius? silver has a specific heat of 0.235J/g degree celcius.
Expected delivery within 24 Hours
The other uses an incorrect value (16) and determines the average molecular weight as 32.8. This is the only error in the calculation. What is the percent of oxygen in the mixture expressed as mole %
Treatment of 4-chloro-1-butanol with one equivalent of lithium diisopropylamide (LDA) as a base leads to rapid formation of a compound with the molecular formula C4H8O.
A 26.0-g sample of ice at -11.0°C is mixed with 123.0 g of water at 90.0°C. Calculate the final temperature of the mixture assuming no heat loss to the surroundings. The heat capacities of H2O(s) and H2O(l) are 2.08 and 4.18 J/g · &
Two tanks are connected by a valve and line as shown below. The volumes are both 1 m3. Tank A contains R-134a at 20°C, quality 15% and tank B is evacuated.
If the oven uses microwave radiation of wavelength 12.2 cm, how many photons of this radiation are required to heat 1.28 g of water 1.00°C, assuming that all the photons are absorbed?
The area of a rectangle with a perimeter of 200 cm is modeled by a function A = 100L - L^2, where L is the length of the rectangle. What is the reasonable domain for the context of this situation?
What is being asked? Using the values of the effective molar absorptivities you determined from your slopes and the values of the absorption you obtained for the mixture at the spectral maxima of 434 nm and 618 nm, solve the 2x2 simultaneous linea
A graduated cylinder contains 138 of water. A 19.0 piece of iron (density = 7.86 ) and a 25.0 piece of lead are added. What is the new water level in the cylinder?
1924620
Questions Asked
3,689
Active Tutors
1422240
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
What types of unconscious or implicit bias might be present? How could they shape people's actions, decisions, or access to resources?
Identify factors that lead to poor performance in STEM by most schools. How can INSET programs be used to improve teacher's pedagody in STEM?
In this week's video, what stood out the most to me was how clearly research separates what "looks helpful" from what actually works.
Problem: Re-word but keep the same content - Social pedagogy is evident in schools through a strong focus on relationships,
Describe a social condition in your community or the community of someone you know. How did that social condition motivate active citizens to exercise
Please provide a response with APA citations and references to "When we talk about stigma related to people with psychological disorders
Communication, creativity and decision-making skills are essential to daily life. In this course, you learned about the development of language