How many grams of nitrogen were collected
A flask containing 352 ml of gaseous nitrogen is collected over water at a temperature of 22 degree Celsius. the total pressure of the gases was 742 mm Hg. how many grams of nitrogen were collected?
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Ammonia and hydrazine are both compounds of nitrogen and hydrogen.Based on the law of multiple proportions, how many grams of hydrogen would you expect 3.47 of nitrogen to combine with to yield ammonia?
What is the ground-state electron configuration of Co3+?
You sit on the board of directors of a local nonprofit corporation. At its last meeting, the board decided to begin to fund a very modest retirement pension for the organizations custodian. The details of the plan are as followed:
A gas mixture with a total pressure of 770 contains each of the following gases at the indicated partial pressures: , 257 ; , 114 ; and , 177 . The mixture also contains helium gas. What is the partial pressure of the helium gas?
The heat of fusion of water is 6.008x10^3 J/mol at its normal melting point of 272.15K. Calculate the freezing point depression constant Kf.
If the pressure is lowered to 1.00 atmosphere and the temperature is raised to 400 K, the volume of the gas sample would be?
Calculate the final temperature of 36 {rm mL} of ethanol initially at 16^circ {rm C} upon absorption of 750 {rm J} of heat. (density of ethanol =0.789 {rm g}/{rm mL})
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed to prepare 1.7 L of a solution that is 97 ppm in KNO3?
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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
Question: The occurrence of a traditionally-defined ASD in an additional child occurred in 10.9%of the families.