Cesium 2013: January 2012

31 Jan 2012

Tuesday, January 31, 2012 by _waycider in

STR! For the TORmentoring-thingyyyy :-bd

https://sites.google.com/a/pshs.edu.ph/diliman-str/home/ymsat-2012/tormentoring

1 - We don't have Chem HW pala lol

2 - Math

Vance p. 179 [NOTE: t₁ is the 1st term, so t_n is the nth term. d is the common difference, and S_n is the sum of the general finite arithmetic progression]

Write the next 3 terms in each of the following arithmetic progressions and find t_nand S_n.

2) 27, 25, 23, ... to 30 terms

4) -5/4, -1/4, 3/4, ... to 8 terms

Three of the elements t₁, t_n, d, n, and S_n of the arithmetic progression are given. Find the missing elements in each case.

6) t₁ = 3, n=4, t_n=12

8) d=3, n=5, t_n=14

12) Find the value of k so that 8k+4, 6k-2, and 2k-7 will form an arithmetic progression

14) The 18th and 52nd terms of an arithmetic progression are 3 and 173 respectively. Find the 25th term.

15) Find the sum of all the even integers from 12 to 864, inclusive.

20) Insert one arithmetic mean between 34 and 68. Such a number is called the arithmetic mean of the two numbers.

24) If a², b², and c² form an arithmetic progression, show that a + b, c+a, and b+c form a harmonic progression.
25) How many numbers between 10 and 200 are exactly divisible by 7? Find their sum.

3 - SS3

On Friday, Nico, Adrian, JP, Lyon and I will be teaching you. Yay!

30 Jan 2012

Monday, January 30, 2012 by _waycider in

Kevin and Lai, your YMSAT shirts are with me.

1 - STR
- HW due tomorrow lol
- TORmentoring paper thingy due Friday (3 Feb 2012) 12 nn.
- We don't have a meeting tomorrow btw

2 - Bio
- YMSAT worksheet due tomorrow! ~click here for the PDF~

3 - SocSci
- Our talk with Ma'am Bawagan's son is tomorrow morning :)

4 - Chem

- I'm posting the HW later tonight. We don't have Chem tomorrow anyways so~*~

Chem HW lololol

Sunday, January 29, 2012 by _waycider in

14.6

The rate of disapperance of HCl was measured for the following reaction:

CH₃OH (a) + HCl (aq) → CH₃Cl(aq) + H₂O(l)

The following data were collected:

Time (min) | HCl (M)

0.0 | 1.85

54.0 | 1.58

107.0 | 1.36

215.0 | 1.02

430.0 | 0.580

Calculate he average rate of reaction, in M/s for the time interval between each measurement.

14.10

For each of the following gas-phase reactions, write the rate expression in terms of the appearance of each product or disappearance of each reactant:

(a) 2HBr (g) → H2 (g) + B2 (g)

(b) 2SO2 (g) + O2 (g) → 2SO3(g)

Kung Hei Fat Choi!

Monday, January 23, 2012 by bleksman in Labels: winning

Yeah, YMSAT this week, so nothing much besides fixing up your respective exhibits and workshops, or study, sleep, or nothing, if that's what you want to do.

Popped in to say, Happy New Year!

And, uh, yeah.

I win.

Edit from local Chinese man of Cesium:

Happy Birthday, Jade Emperor!!!

Chinese New Year Advice 1 for Ethan:
The greatest victory, is the battle not fought. (Also, please check Facebook)
Chinese New Year Advice 2 for Class:
Teachers open the door, but you must enter by yourself.

On a Personal Note:

新年快樂, Cesium. 今年是水龍年.水龍是很好的. 謝謝你給我一個值得紀念的過去一年, 我很要好的朋友.
(Rough Translation: Happy Chinese New Year, Cesium. This year is the year of the Water Dragon. The Water Dragon is very auspicious. Thank you for a very memorable past year, my good friends.)

I'm Holding on To Your Promises~~

Sunday, January 22, 2012 by joyous.lie in

Hey guys! We have a career fair on Thursday to Saturday and everyone is required to attend on the first 2 days. Here's the link to our schedule :)

http://www.slideshare.net/sirmartin/pshs-guidance-career-fair-2012-brochure

CHEM Data For Those Who Didn't Copy

by alrlchoa in

Dear Research Committee

by _waycider in

Our era is the Regency Era, which is 1780's-1830's (debatable, but let's not fuss)

Research: everything from what they're wearing to how their hair is fixed, the differences in the formal and casual wear. Just the general gist of it all, like certain fashion trends and possible reasons (like did you know sleeve ruffles were seen as undemocratic so the guys didn't wear 'em). I'll handle the historical background. Feel free to include pictures! Please cite your sources.

Bing and Lawrence, I'm counting on you guys to do the research for menswear. Aline and Clare, you guys for the women's wear.

And I'll condense everything, fact check, add details, and I guess I'll coordinate with Marketing for canvassing and then Design and Marketing a lot later. What fun.

E-mail it to me, it doesn't have a word count or a certain length-- just make sure you're detailed enough so Design can base a design off it and that we can write a report. This is due Saturday after YMSAT week.

HW Monday Jan 16 2012

Monday, January 16, 2012 by incredible incarnation in

Math Hw: COle P. 760 2-10
For those without a book:
#02)
Prove using induction that:
1+4+7+...+(3n-2)=[n(3n-1)]/2

#10)
Prove using induction that:
1³+2³+3³+...n³={[n(n+1)]/2}²

Bio:
Don't forget to answer the activity questions

Comment for additions if needed.
Comment if I missed/wronged anything.

English Questions

Saturday, January 14, 2012 by alrlchoa in

The answers for the english questions are due on Monday:

1) (02pts.) Who are the Japanese Sun and the Storm Deities?

2) (06pts.) Name three (3) actions of the Storm God which caused the Sun Goddess to hide in the Rock-cave of Heaven.

3) (06pts.) Name three (3) instances of what the gods did to convince the Sun Goddess out of the cave.

4) In the third story:
A) (05pts.) Name the five (5) major characters in the 3rd story.
B) (15pts.) Answer in complete sentence:
- Exposition
- Rising Action
- Climax
- Falling Action
- Denouncement

5) (06pts.) Name the Imperial Regalia of Japan and what they represent.

11 Jan 2012

Wednesday, January 11, 2012 by _waycider in

STR

Remember the cumulative frequency HW? We need to find the mode, median and mean of the data set too.

Bio

The questions.

2) Differentiate CNS (central nervous system) from PNS (peripheral nervous system)
3) Define Autonomic Nervous System
4) Differentiate parasympathetic and sympathetic
5) Give different neurotransmitters and functions

Chem

19.44
Use data in Appendix C to calculate for ΔHº, ΔSº, and ΔGº at 25ºC for each of the ff reactions. In each case show that ΔGº = ΔHº - TΔSº.
(a) Ni(s) + Cl₂(g) → NiCl₂(s)
(b) CaCO₃(s, calcite) → CaO(s) + CO₂(g)
( c) P₄O₁₀(s) + 6H₂O(l) → 4H₃PO₄(aq)
(d) 2CH₃OH(l) + 3O₂(g) → 2CO₂(g) + 4H₂O(l)

19.46

Using data in Appendix C, calculate ΔG for each of the ff reactions. In each case indicate whether the reaction is spontaneous under standard conditions (25ºC, 1 atm).

(a) H₂(g) + Cl₂(g) → 2HCl(g)
(b) MgCl₂(s) + H₂O(l) → MgO(s) + 2HCl(g)
( c) 2NH₃(g) → N₂H₄(g) + H₂(g)
(d) 2NOCl(g) → 2NO(g) + Cl₂(g)

9 Jan 2012

Monday, January 9, 2012 by _waycider in

STR - due tomorrow

Homework on cumulative frequency T_T"

Also due tomorrow: Bio HW! and the SocSci HW! + Fil oral report (indiv) and dyalogo (partner).

Java

The TextEditor is due 11 January 2012 7am

Chem - due wednesday

(on a 1/2 crosswise)

1.) What is Gibbs's free energy? Write the equation.

2.) What is the relation of ΔG with spontaneity?

If ΔG = 0? If ΔG<0? If ΔG >0?

AND prepare pre-lab for Experiment 28 on 1/11/2012

Chem Questions!

Sunday, January 8, 2012 by _waycider in

19.32
Predict the sign of ΔS_sys for each of the following processes:

(a) molten Fe solidifies;

(b) LiCl(s) is formed from Li(s) and Cl₂(g);

(d) silver bromide precipitates upon mixing AgNO₃(aq) and KBr(aq).

19.34
Using Appendix C to compare the standard enthalpies at 25ºC for the following pairs of substances. For each pair, explain the difference in entropy values.

(a) CuO(s) and Cu₂O(s);

(b) 1 mol N₂O₄(g) and 2 mol NO₂(g);

(d) 1 mol PbO(s) plus 1 mol CO₂ and 1 mol PbCO₃(s).

19.38
Calculate ΔS^o values for the following reactions by using tabulated S^o values from Appendix C. In each case, explain the sign of S^o.
(a)N₂H4(g) + H₂(g) → 2NH₃(g)
(b) Al(s) + 3Cl₂ → 2AlCl₃
(c) Mg(OH)₂ + 2HCl (g) → MgCl₂(s) +2H₂O(l)
(d) 2CH₄ → C₂H₆(g) + H₂(g)

Chem HW

Thursday, January 5, 2012 by incredible incarnation in

19.16

Suppose we have a dual flask system with eight molecules in it. The specific molecules are numbered 1 to 8. Two of the possible arrangements of the molecules are shown in the figure

A (picture shows 4 molecules in each flask with 5, 7, 8, and 4 in the left and 1 2 3 and 6 in the other)

B (picture is the same flask system but only 4 is in the left flask while the other molecules occupy the other one)

a. In which of the two arrangements, if either, is more probable than the other?
b. is your answer in part A consistent with our expectation that the gas molecules, on average, distribute themselves equally between two flasks? Explain.

19.18

A. give an example of a process in which the entropy of the system decreases.
B. What is the sign of (Delta)S for the process?
C. What is the significance of the statement that entropy is a state function?

Math Handout~~ (for Laiii)

Wednesday, January 4, 2012 by joyous.lie in