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question is about a toxic chloroalkane. x. that has a boiling point of 40°c
a student carried out an experiment to determine the mof x by injecting a sample of x
mom a hypodermic syringe into a gas syringe in an oven at 97 "c and 100 kpa the
student's results are set out in table 1 and table 2
table 1
10.340
mass of hypodermie syringe filled with x before
injection /
mass of hypodermic syringe with left over x after
injection /
mass of xinjected /
10.070
table 2
0.0
volume reading on gas syringe before injection of x/
cm
volume of x in gas syringe after injection of x/cm
volume of x/cm
105.0
(a) complete table 1 and table 2 by calculating the mass and volume of x.

A100 kmol/h stream that is 97 mole% carbon tetrachloride (ccl4) and 3% carbon disulfide (cs2) is to be recovered from the bottom of a distillation column. the feed to the column is 16 mole% cs2 and 84% ccl4, and 2% of the ccl4 entering the column is contained in the overhead stream leaving the top of the column. calculate the mass and mole fractions of ccl4 in the overhead stream, and determine the molar flow rates of ccl4 and cs2 in the overhead and feed streams. 12. mw_ccla- 153.82; mw_cs2-76.14.

Under which circumstances are kp and kc equal for the reaction aa(g)+bb(g)⇌cc(g)+dd(g)?

Electromagnets coils of wire paper clips picked up 10 3 15 6 20 9 25 12 ms. owens' class was studying magnets. ms. owens showed her students how to make an electromagnet using a nail, a d-cell battery, and plastic coated wire. the students wrapped the wire around the nail and then attached the ends to the battery. when they were finished, they tested their magnets by investigating how many paperclips their magnets could pick up. they also tested whether they could increase the strength of their electromagnets by using more coils of wire. they recorded the class average of their results in the data table seen here. ms. owens asked her students to graph their data in a line graph. how should the students label the x-axis on their line graph? a) size of battery b) number of paper clips c) number of coils of wire d) strength of electromagnet