Calculate the empirical formula of the oxide
A 1.45 g sample of phosphorus burns in air and forms 2.57 g of a phosphorus oxide. Calculate the empirical formula of the oxide. Express your answer as a chemical formula.
Expected delivery within 24 Hours
When a dislocation passes right through a crystal slip equal to a lattice spacing occurs. Estimate the number of dislocations on the (111) plane which would be needed to produce 5% plastic deformation in an aluminium specimen 1cm long (for Al the
A paper chromatograph is run for a solute that has a strong affinity for the solvent , and very little affinity for the paper. when properly developed, will the Rf for the solute benearly one , nearly zero, or about one -half ? Explain.
The energy of formation of a vacancy in copper is 1eV. what is approximate relative change in the density of copper due to vacancy formation at a temperature just below its melting point (1356K)
You spent a lot of time during this unit working with linear functions. For which of the following situations would a linear function be a reasonable choice for a mathematical model?
What is the approximate yield strength of a copper silica alloy which has spherical precipitates of silica of average radius 100 nm. The volume fraction of silica is 1%, the shear modulus is 4.2 × 10^10 Nm-2 and the Burgers' vector is 0.26nm
Using a context of quadratic functions and their graphs, explain the concept of optimization to someone without a background in mathematics.
After the collision, puck A has a velocity of 0.120 m/s to the left, and puck B has a velocity of 0.580 m/s to the right. Calculate the change in the total kinetic energy of the system that occurs during the collision.
Fingernail-polish remover is primarily acetone(C3H6O). How many acetone molecules are in abottle of acetone with a volume of 405 mL? (density of acetone =0.788 g/cm3 ).
1941068
Questions Asked
3,689
Active Tutors
1461160
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: What is a key difference between Herzberg's motivator-hygiene theory and other content theories?
You have been asked to explain two newborn assessment scales to a group of middle school students who are interested in becoming nurses.
Personal power is: (select all that apply) the use of our energy to influence the quality of life for ourselves and others.
Human services professionals might assist during pretrial by assessing a justice-involved individual's situation and recommending rehabilitation
Show it in my post "Discussion Question: "In what ways do personal identity and self-concept influence an individual's motivations for engaging in addictive beh
In what ways do personal identity and self-concept influence an individual's motivations for engaging in addictive behaviors, and how can this understanding
A forensic analyst is told by detectives that the suspect is 'definitely guilty.' The analyst then focuses only on searching for files that support this theory