How many grams of water were in the sample
A 45 g piece of ice at 0 C is added to a sample of water at 19C. All of the ice melts and the temperature of the water decreases to 0C .
how many grams of water were in the sample?
Expected delivery within 24 Hours
Calculate the amount of energy in kilojoules needed to change 243 g of water ice at -10 rm ^{circ}C to steam at 125 rm ^{circ}C. The following constants may be useful:
During a tritration, 34.62 mL of 0.1510 M NaOH was needed to neutralize 50.0 mL of an H2SO4 solution. What was the concentration of the original sulfuric acid solution?
In a gas mixture, the partial pressures are argon 455 , neon 80 , and nitrogen 175 .What is the total pressure exerted by the gas mixture.
The equilibrium constant KP is 158. Analysis shows that the partial pressure of O2 is 0.44 atm at equilibrium. Calculate the pressure of NO and NO2 in the mixture.
Consider the unbalanced equation above. A 0.150 g sample of CS2 is reacted with 265 mL of O2 at STP. What is the total volume of the final mixture of gases at STP? Use molar masses with at least as many significant figures as the data given.
A 355 ml container holds .146g of Ne and an unknown amount of Ar at 35 degrees C and a total pressure of 26 mmHg. Calculate the moles of Argon present.
A temperature of 100C condenses into an insulated container holding 4.50 g of water at 6.0C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the mixture?
A 1.60 g sample of a large biomolecule (a nonelectrolyte) was dissolved in 18.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
How many kilojoules are needed to raise the temperature of 325 g of water from 15.0C to 77.0C? How many kilojoules are needed to raise the temperature of 325 g of water from 15.5C to 77.5C?
The concentrations of both H2(g) and F2(g) are found to be 0.0050 M. What is the concentration of HF(g) in the equilibrium system under these conditions?
1942502
Questions Asked
3,689
Active Tutors
1413677
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
How are the reading a black feminist disability of framework connected with Reflections on Re-Creating Biological Race and the Entrapment of Black People?
What is something you learned today about child's protection that you didn't know before? How will you integrate this new learning into your future role as a So
If the advertisement does not violate any laws, Daniel might think the testimony Ms Kunies makes is not honest. Ms Kunies posted on facebook
how does politics and the military overlap? How does politics and religion overlap? How does the military and religion overlap?
What is the legacy of The Prince? What and who did The Prince influence in history? How is it regarded today? What is its lasting impact?
Would you consider choosing feminist, solution-focused,or narrative therapies. What empirical evidence is available to support the use of these theories?
Using the information provided in this scenario, identify 5 important elements of this call that would be important in order to appropriately serve this client.