Temperature of the water decreases
A 64g piece of ice at 0 degrees celsius is added to a sample of water at 7 degrees celsius. All of the ice melts and the temperature of the water decreases to 0 degrees celsius How many grams of water were in the sample.
Expected delivery within 24 Hours
What is the orientation of the hydroxyl group when the compound is in chloroform solution? What evidence supports this?
Calculate the mass of ice at -15°C that must be added to cool the water to 10°C after thermal equilibrium is achieved. To find the mass of water use the density of water = 1.0 g/mL.
calculate the molarity of acetic acid in a vinegar sample knowing that 5.00 mL of vinegar requires 43.50mL of 0.105M NaoH to just reach the phenolphtalein endpoint in a tritration.
What is the lewis structure for xenon tetrabromide?
A reaction has Horxn = -120. KJ/mol and a forward activation energy, Ea = 80. kJ/mol. What is the activation energy for the reverse reaction? Describe the reaction as endothermic or exothermic, and reversible or irreversible.
Jose is thinking about purchasing a soft drink machine and placing it in a business office. He knows that there is a 11 percent probability that someone who walks by the machine will make a purchase from the machine, and he knows that the profit o
The radius of a aluminum atom is 143 pm. How many aluminum atoms would have to be laid side by side to span a distance of 4.82 mm?
An auto mechanic spills 90. mL of 2.6 M H2SO4 solution from a rebuilt auto battery. How many milliliters of 2.5 M NaHCO3 must be poured on the spill to react completely with the sulfuric acid.
1957257
Questions Asked
3,689
Active Tutors
1459963
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Which of the following is correct regarding folate and vitamin B12 Group of answer choices Deficiency of either can lead to megaloblastic anemia Deficiency
Which of the following pre-pregnancy risk factors increase the risk of having both gestational diabetes and pre-eclampsia?
Question: How often should you include muscle-strengthening activities in your fitness program?
Question: Which of the following may help to reduce menstrual cramps? Group of answer choices Adequate fruit intake EPA+DHA supplements Extra virgin olive oil A
Choose the conclusions reached relating to vitamin D, calcium, or combined supplementation for the prevention of fractures in adults.
In addition to adequate intake of folate/folic acid, which of the following nutrients may help Amy reduce risk of having a baby affected by Neural Tube Defects?
15 year old male patient presents with complains on n/v and a bulge in the scotum while standing. during palaption of the scrotal sac