Tuesday
April 21, 2015

Posts by Jayden


Total # Posts: 30

chemistry
a 100 gram sample of a metal undergoes a temperature change from 20 C to 50 C Absorbing 1500J of heat
April 9, 2015

math
on a weekend road trip the jensen family drove 210 miles on highways, where their car gets 35 miles for each gallon of gas and 54 miles on city streets where their car gets 18 miles for each gallon. How many gallons of gas did they use?
March 19, 2015

math
A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85 60 70 0 75 80 80 80 ...
February 6, 2015

algebra I
nope
August 14, 2014

rate of change
What's the avearage rate of change of f(x)=x^2-4x+7 on the interval 1<=x<=3
February 15, 2014

math
a game is watch by 60 adults and some are children. if there are 20 more adults than children how many children are watching the game
January 16, 2014

4th grade math
23
November 4, 2013

college physics
The average speed of the hydrogen molecules is faster than that of the helium atoms, but it is less than two times faster. Since the temperature is the same for both types of atoms, they have the same average kinetic energy, which is given by K=1/2mv2. Helium is twice as ...
October 25, 2013

Geometry
Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with a common difference ...
October 19, 2013

help
how would you write an annotated bibliography
September 26, 2013

math
Given two similar triangles, find a' to two significant digits if a = 8.6 * 10^4, b = 1.5 * 10^5, and b' = 1.3 * 10^4.
May 25, 2013

World Geography
1. During the late 18th and mid-19th centuries, Europeans and North Americans were attracted to nearby coastal waters due to potential economic gains from (1 point)catching trout and cod fish. catching seals and whales. shipbuilding. finding riches on unexplored islands. 2. ...
May 9, 2013

Spelling
Sort each spelling word by determining if it follows the v/vc or the vc/v pattern tyrant, equal, humor, recent, profile, linen, closet, student, smokey, legal, comet, shiver, minus, loser, punish, cavern, local, decent, vacant, panic.
February 3, 2013

Spelling
Sort each spelling word by determining if it follows the v/vc or the vc/v pattern
February 3, 2013

MATH
my tenths digit is 3 less than my hundredths digit. The difference between my tenths and hundredths digit is 5. The sum of my digits is 10. What number am I?
January 15, 2013

Lab Questions
1. Use the Van der Waals equation to calculate the pressure exerted by 1.00 mol of Cl2; in 22.41 L at 0.0 degrees C. The constants for Cl are a = 6.49 L2 atm/mol2 and b = 0.0526 L/mol. 2. How much potassium chlorate is needed to produce 20.0 mL of oxygen at 670 mm Hg and 20 ...
December 3, 2012

Lewis Dot Structure?
I am unable to draw the label for CN, I tried to make a triple bond between C and N, then place two electrons for each, but I was incorrect.
December 3, 2012

Chemistry
Place the following elements in order of decreasing atomic size: selenium, chlorine, fluorine, rubidium, calcium, and sulfur.
December 2, 2012

Chemistry - Melting Ice
The heat of fusion of ice is 6.00 kJ/mol. Find the number of photons of wavelength = 6.78×10^−6 m that must be absorbed to melt 6.80 g of ice.
November 29, 2012

Physics
Is the mass of a 1m ruler essentially equally distributed throughout its length if the center of mass is at 0.496m instead of 0.5m. Why
November 5, 2012

math
the answer to this question is 35.4%
April 17, 2012

chem
What mass of ice at 0°C can be melted by the addition of 1670 joules of heat?
April 5, 2012

math
on monday, ivy crawled one inch more than tuesday. on tuesday, ivy crawled twice as much as on wednesday. on wednesday, ivy crawled 4 inches. how many inches did ivy crawl each day
March 20, 2012

English Journey Assessment Task
WHAT IS IT? Speech on the ways the concept of JOURNEY is expressed throughout Rabbit Proof Fence and two other related texts of your choosing PLUS a typed transcript of that speech. Focus Area: What are the messages / ideas continued within the texts about JOURNEY and HOW (...
February 20, 2012

Precalculus
A woman who is 6 feet tall stand near a light that is 13 feet tall. Find a function for the length of her shadow in term of her distance from the base of the lamp.
February 15, 2012

Math
Jamila
February 13, 2012

canyons,dunes,and deltas SCIENCE
What are some interesting facts about dunes,canyons,and deltas?
October 13, 2011

math
the quotient of -54 and 9, suntracted from 8 times a number is, -18
October 3, 2011

Chemistry
A typical fat in the body is glyceral trioleate, C57H104O6. When it is metabolized in the body, it combines with oxygen to produce carbon dioxide, water, and 3.022 x 10^4 kJ of heat per mole of fat. B)How many kilokoules of energy must be evolved in the form of heat if you ...
March 19, 2010

clark
Why might you use the distributive property to solve 4(78)
September 8, 2009

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