How many moles of oxygen is magnesium hydroxide
Magnesium hydroxide is 54.87% oxygen by mass. How many grams of oxygen are in 175 g of the compound? How many moles of oxygen is this?
Expected delivery within 24 Hours
When thermal equilibrium has been reached, the water and the iron are both at 36.2°C. Calculate the specific heat of the iron. Assume no heat loss to the calorimeter and the density of water is 1.00g/mL. The specific heat capacity of water is 4.18
A student placed 17.0 g of glucose in a volumetric flask, added enough water to dissolve the glucose by swirling, then carefully added additional water until the 100. mL mark on the neck of the flask was reached.
You have two water samples. Sample X has a volume of 750 mL and a temperature of 42°C. Sample Y has a volume of 380 mL and a temperature of 42°C. Which sample contains the most heat?
How much heat is required to warm 219 g of ice from -45.7°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C
In an experiment you combine 4-methyl-2-pentene and water, in the lab you setup the experiment using a a heater, condenser and N2 gas and add the reagent H2SO4, the product formed is 2-methyl-2-pentanol.
8.5 g of steam at 373 K is added to 305 g of H20 (l) at 310 K at constant pressure of 1 bar. Is the final state of the system steam or liquid water? Calculate delta S for the process.
oxygen gas is collected over water at 21 degrees C and an atmosperic pressure of 748 mm Hg. What is the partial pressure of oxygen gas in the mixture.
Acetylacetone (acac) forms a trisacetylacetonateiron (III) complex (i.e., Fe(acac)3) in aqueous solution. A 5 mL aliquot of acetylacetone stock solution is diluted to 200mL with an iron (III) chloride solution.
1926584
Questions Asked
3,689
Active Tutors
1460205
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Which of the following statistics is true regarding adolescents? A. 1 million people each year get STDs. B. Half of STD infections are among people
Is this correct Elbow, wrist and hand pain complaints. Match the correct disease/disorder with the list of clinical manifestations.
A nurse has attended a continuing education conference about seasonal influenza. Which of the following statements would indicate a correct understanding
Then talk about the prognosis of the ACTUAL CAUSE: DEFINITIVE DIAGNOSIS and sequela if left untreated and why.
Think back to the story "If you give a mouse cookie" from earlier in the semester. What does the story mean to you now as a nursing student?
What questions should the nurse ask next? (Select all that apply.) Can you identify which spicy foods cause a problem?
The patient's vital signs in the office are: T 98.2, BP 118/72, P 76, RR 16. SpO2 is 99% on room air. Her BMI is 27.5.