Calculate initial hat energy of coldwater
The problem is to calculate Initial hat energy of coldwater using equation m CpT, Cp=4/184J/g-C. Given 20 ml of water it is temperature is 21.00 C when adding 20ml of hot water at 100C it is initial temp is 58.50C
Expected delivery within 24 Hours
Determine the numbers of moles and liters of gas would be formed by reacting 77.5 g of NaHCO3 with excess vinegar? Suppose the reaction releases all the gas and that the reaction takes place at the 22 degrees C and 1 atm.
Determine the molar volume of H2 at 35 degrees C and 2.50 atm? Determine the numbers of grams of H2 are present? Under these same conditions for H2, find out the volume of 131.3 g of Xe?
Cyclist rate was four times faster than walking rate. If time spent on cycling and walking was 5 hours at what rate was cyclist riding?
Determine the balanced equation for the reaction that occurs when the two half-cells are connected? Mn2+(aq) + 2e- ®Mn(s) Eo(red) = -1.18 V v/s SHE
Determine the percentage of K2O (94.20g/mole) in a fertilizer when a 0.4320 g sample gives 0.2138 g ofKB(C6H5)4 (358.2 g/mol). MM K =39.1 g/mole. Sodium tetraphenylborate, NaB(C6H5)4 is used as a precipitant for potassium.
Suppose one begins with 55.0 g of arsenic trioxide dissolved in water, and repeatedly dilutes the solution with pure water, each dilution reducing the amount of arsenic trioxide in the solution by a factor of 100.
The model N=10(4=3t) explains number of deer (N) in the park t years after 40 deer 1.25 are introduced into region. Approximately how long will it take deer population to reach 224?
1932844
Questions Asked
3,689
Active Tutors
1438619
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Examine gender inequality on a global scale, considering how factors such as globalization, colonialism
Question: Cases of local communities using modern technology to preserve and revive their traditions:
Question: Which of the following is a criticism of Marxist/conflict theories? Group of answer choices
Question: How are schools important in the struggle for power and status?
Question: Which of the following statements about sociological approaches are true?
Multiple Choice Question Identify a true statement about political systems controlled by men. Multiple choice question.
How is it rational for the owner of a factory or plantation to work his laborers to death or disability when they can easily be replaced cheaply?