What is the name and the amount of the reactant inexcess
2 Mg + O2 ------> 2MgOif 1.00 g of magnesium is ignited in a flask containing 0.500liters of oxygen at STP, how many grams of magnesium oxide areproduced? What is the name and the amount of the reactant inexcess?
Expected delivery within 24 Hours
Determine the difference in potential between two points that are distances R_a and R_b from a very long (\gg R_a or R_b) straight wire carrying a uniform charge per unit length lambda.
Determine the speed of an electron being emitted by rubidium (2.16 eV) when light of the following wavelengths is shone on the metal in vacuum (a) 550 nm (b) 450 nm and (c) 350 nm.
The acceleration of gravity is 9.8m/s^2. Determine the magnitude of the acceleration of the 8.22 kg block. Answer in units of m/s^2.
Assuming the specific heats of air are constant (at the 300 K values) determine the final temperature of the air. Determine the final pressure in the tank.
The astronaut's seat is inclined to stay perpendicular to his apparent weight. Calculate the centrifuge's rotational speed v. Answer in units of m/s.
Steam at 20 bars is in the saturated vapor state (call this state 1) and contained in a piston-cylinder device with a volume of 0.03 m3. Determine the change in specific internal energy, u, for each of the two processes.
In normal blood, there are about 5.4 x 109 redblood cells per milliliter. The volume of a red blood cell is about90 x 10-12 cm3, and its density is 1.096g/mL. How many liters of whole blood would be needed to collect 0.5kg of red blood cells?
In 2005, 74% of all airline flights were on-time. If we choose a simple random sample of 2000 flights, find the probability that (be as accurate as the proper process allows) (a) at least 77% of the sample's flights were on time:. (b) at most 1420
1934985
Questions Asked
3,689
Active Tutors
1416498
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Research has found that the use of electronic devices like social media and cell phones is associated with mental health problems,
How does the level of parental involvement impact middle school students' academic performance and overall educational experience?
Introduce the instrument you're focusing on. Provide some background information about it and state why it's important in psychological assessment.
Question: How does Instagram shape the ways we see our bodies? Our gender?
What is a defining characteristic of permissive-indulgent parents? They are indifferent and uninvolved with their children.
Problem: Forty-year-old Tokala insists that he never dreams. Research suggests that Tokala probably:
Problem: Compare independent variables, dependent variables, and extraneous variables.