The math homework that is due next week is:
Prove the following by induction:
1)
a1+(a1+d)+(a1+2d)+...+(a1+(n-1)d)= (n(2a1+(n-1)d)/2
2)
g1+g1 x r+g1 x r2+...+g1 x rn-1= (g1(1 - rn))/(1-r)
Class Schedule!
Chem:
Ansewer 14.54, 14.56
physics:
start researching on group things
presentation on manila paper on tues
English:
Read in a grove.
Read in a grove.
STR:
Long quiz on stat
Reminders for tomorrow:
CHEM:
-Please answer these questions:
14.54:
a) What is meant by the term molecularity?
b) Why are termolecular elementary steps so rare?
c) What is an intermediate in a mechanism?
14.56:
PHY:
-Don't forget to answer #'s 5, 7, 10 (found below
- Also, there are some new numbers:
#23:
(II) A 140.2-g cuttlefish is found to have an effective mass of only 0.55 g when submerged in pure water.
a) Calculate its density.
b) How much would it weigh in sea water (SG=1.025)?
#28:
(III) A 1.84-kg piece of wood (SG=0.50) floats on water. What minimum mass of lead, hung from it by a string, will cause it to sink?
Reportings:
- The Presentations should be done via Manila Paper.
- For the topics:
Group 1: Ventori Meter
Group 2: Torricelli's Theorem
Group 3: Other Principles
Group 4: Pitot Tube
Group 5: Fluid Statics
BIO:
DON'T FORGET TO BRING P.E. ATTIRE TOMORROW!!!
ENG:
- Read up on Rashomon and on In A Grove
- Poster are due on 20 February 2012
STR:
- Long Quiz on STAT
* Comment if I missed/wronged anything.
01. Java
So apparently the make-up class is on Thursday.
02. Chem
Don't forget the homework (check previous post).
Don't forget the homework (check previous post).
03. Math
LT TOMORROW
04. English
Read In A Grove and Rashomon by Ryunosuke Akutagawa (actually we'll get a copy from Sir tomorrow but you can look up the summaries if you want).
An awful lot of homework.
GUYS, TOMORROW WEAR THE P.E. UNIFORM FOR BIO.
We have an activity regarding plant & animal hormones.
01. CHEM - Get the rate law.
BF3 + NH3 → F3BNH3
| Expt # | [BF3], M | [NH3], M | Initial Rate (M/s) |
| 1 | 0.250 | 0.250 | 0.2130 |
| 2 | 0.250 | 0.125 | 0.1065 |
| 3 | 0.200 | 0.100 | 0.0682 |
| 4 | 0.350 | 0.100 | 0.1193 |
| 5 | 0.175 | 0.100 | 0.0596 |
2NO2 → 2NO + O2
| Time | [NO2], M |
| 0.0 | 0.100 |
| 5.0 | 0.017 |
| 10.0 | 0.0090 |
| 15.0 | 0.0062 |
| 20.0 | 0.0042 |
02. JAVA
We have a make-up class tomorrow after SocSci, unfortunately ;_;
03. Math
LT on Wednesday
HW7 - Vance p.311
Write out the next 3 terms in each of the ff, and find the final term and sum of all terms
3.) 1/125, -1/25, 1/5, ... to 7 terms
4.) P(1+r), P(1+r)2, P(1+r)3,... to 10 terms
Three of the elements (first term (t1), last term (tn), ratio (r), number of terms (n), and sum of all terms (Sn) are given. Find the missing elements.
9.) r = 1/3, n = 5, Sn = 4/9
11.) t1 = -2, r = 2, tn =-64
14.) The second term of a geometric progression is 5/4 and its 4th term is 1/5. Find its third term.
15) In the geom progression 18, -12, 8, ..., which term is 512/729?
17) Insert three geometric means between 27/8 and 2/3.
18) Insert 1 geometric mean between 7/8 and 175/32. A single number of this kind is called the geometric mean of 2 numbers.
22) The population of a certain town is 5000. If it increases 5% every year, what will the approximate population be at the end of 10 years?
23) A rubber ball is dropped from a height of 9ft. If it rebounds 1/3 of the distance it has fallen after each fall, how far will it rebound the 6th time? Through what distance has it traveled when it strikes the ground the 7th time?
JS Prom: yesterday, to those who didn't get to go, either by choice or circumstance... We can always have another party with you. :D
Partied hard, and unfortunately, we get to work harder.
Updates on what that work is coming up later.
Yay! My Internet is back!
Back to business, here are the reminders for tomorrow:
Soc. Sci.:
- Marianne, Pama, Lyon, Adrian, and JP (correct me if I'm wrong) are going to be teaching about the ideas that propagated during the last/end of the Industrial Revolution.
Chem.:
-Homework is to be done in a 1/2 sheet of crosswise intermediate pad:
14.15 of Ma'am textbook(Chemistry: The Central Science 11th Edition):
Consider the following hypothetical reaction:
A(aq) --> B(aq)
A flask is charged with 0.065 mol of A in a total volume of 100.0 mL. The following data are collected.
a) Calculate the number of moles of B at each time of the table, assuming that there are no molecules of B at time zero.
b) Calculate the average rate of disappearance of A for each 10-min interval, in the units of M/s.
c) Between t=10 and t=30, what is the average rate of disappearanceof B in units of M/s? Assume that the volume of the solution is constant.
Phy.:
- LT2 is now moved to the 15th of February
- Answer these questions in your notebook. These questions may also be used for consultation purposes:
Taken from the Giancolli,3rd Edition:
Page 270:
Number 5:
(I) The arm of a record player exerts a force of (1 g) x g on a record. If the diameter of the stylus is 0.0013 cm ( =0.5 mil = 0.5 x 10-3 in.) , calculate the pressure on the record groove in N/m2 and in the atmospheres.
Number 7:
(I) What is the difference in the blood pressure between the top of the head and the bottom of the feet of a 1.70-m-tall person standing vertically?
Number 10:
(II) The gauge pressure in each of the four tires of an 1800-kg automobile is 200 kPa. How much area of each tire is in contact with the ground?
Eng.:
- Long Test tomorrow about the stories. I you lost your stories, you may download them from the links here:
First Part(aka."a")\
Second Part(aka."s")
Third Part(aka."d")
Fourth Part(aka."f")
Fifth Part(aka."g")
- Don't forget to submit a bookmark with a Haiku on it by 1630 hours tomorrow to Sir Allan.
Bio.:
- Don't forget to read up on the different pheromones.
Math:
- Should be finished by tomorrow, unless you want to think about this during promenade:
HW7:
- Demonstrate on how to make a geometric pattern when given two tangent circles of unknown areas. Also, you may want to draw something inside the circles para wala lang.
Misc.:
- On the 6th of February, we will be having our outreach. Please have you reply slips signed by then because they most likelyq are also your Parent Consent Forms
- We will not be posting tomorrow, but will be after the promenade. It is so that everyone may have Saturday as a rest day.
- Mabuhay Ang Cesium 2013!!!
Please comment if I missed/wronged anything.
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