Exam 1
_______ was responsible for discovering protons in 1911 using the Gold Foil Experiment.
Earnest Rutherford
Condensed Electron configuration of selenium
[Ar] 3d10 4s2 4p4
What is a substance that is soluble in water?
Hydrophilic
My lover's got humor
She's the giggle at a funeral
Knows everybody's disapproval
I should've worshiped her sooner
If the Heavens ever did speak
She's the last true mouthpiece
Every Sunday's getting more bleak
A fresh poison each week
"We were born sick", you heard them say it
2What is the limiting reagent if 4000 grams of Heptane reacts with 7000 grams of oxygen?
C7H16 + 11O2 ---> 7CO2 + 8H2O
O2
A sample of an unknown substance has a mass of 45.265 g and its volume is determined to be 8.75 cm3. The density (g/cm3) of this substance is
5.17 g/cm3
What is the correct name of FePO4?
Iron (III) Phosphate
What does molarity measure?
The concentration of a solute in a solution.
There ain't no gold in this river
That I've been washin' my hands in forever
I know there is hope in these waters
But I can't bring myself to swim
When I am drowning in this silence
Baby, let me in
Go Easy on Me by Adele
Provide the four quantum numbers of Selenium
n=4
l=1
ml=-1
ms=-1/2
For the isotope, 208Pb, the number of neutrons is
126 neutrons
What is the molecular and electron pair geometry of SF4?
Trigonal Bipyramidal, Seesaw
What is the molarity of a solution that used 50 g of Calcium Nitrate to make a 2L solution?
0.15M
And all I am is a man
I want the world in my hands
I hate the beach
But I stand in California with my toes in the sand
Use the sleeves of my sweater
Let's have an adventure
Head in the clouds but my gravity centered
Touch my neck and I'll touch yours
You in those little high waisted shorts, oh
Sweater Weather by The Neighbourhood
Which of the following is not a strong acid? (2 answers)
a. HBr
b. H2SO4
c. HClO4
d. HF
d. HF
What is the ranking of electromagnetic waves based on increasing frequency?
Radio waves, Microwaves, Infrared, Visible light, Ultraviolet, X-rays, Gamma rays
How many valences electrons are in CO32-? (Draw it)
24 ve-
What is the concentration of a 250mL NaCl solution if 25mL of a 2M NaCl solution was used to prepare the solution?
0.2M
Another head hangs lowly
Child is slowly taken
And the violence, caused such silence
Who are we mistaken?
But you see, it's not me
It's not my family
In your head, in your head, they are fighting
With their tanks, and their bombs
And their bombs, and their guns
In your head, in your head they are crying
Zombie by the Cranberries
PdI2(aq) + 2HgNO3(aq) -> Pd(NO3)2(aq) + 2HgI(s)
In the reaction above, who are the spectator ions?
Pd2+ and NO3-
A magical wave has a wavelength of 0.63 nm. What is the frequency of this wave?
4.8 x 1011 Hz
A triple bond contains ___ sigma bond(s) and ___ pi bond(s).
1 sigma bond and 2 pi bonds
What is the empirical formula of a compound that has the following % composition: 68.4% Cr and 31.6% O?
Cr2O3
Exit light
Enter night
Take my hand
We're off to never-never land
Something's wrong, shut the light, heavy thoughts tonight
And they aren't of Snow White
Dreams of war, dreams of liars, dreams of dragons' fire
And of things that will bite, yeah
Enter Sandman by Metallica
What is the molarity of a 23.15g sample of NH4CH3COO that is dissolved in water to give 800 mL of solution?
0.375M