ScienceGuy
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 I teach Physical Science, Physics, and High School Math. Feel free to ask me for help!
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 9
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 8

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Questions Answered

cowboys214:
Group Title
how many valence electrons in bromine
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

bonnieskye:
Group Title
will give medal
need help with two questions
 updated 2 years ago
 11 replies
 1 Medal
Mathematics

CaitlinH:
Group Title
How many moles are in 44.2L of Oxygen gas? How is this different from a gram to mole calculation?
please help me
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

Gabbruce:
Group Title
a 155 gram sample of copper was heated to 150.0ºC then placed into 250 gram of water at 19.8ºC. (The specific heat of copper is 0.385J/gºC.)…
 updated 2 years ago
 52 replies
 2 Medals
Mathematics

Tttaammmaannnaa:
Group Title
Indicate the type of reaction of each equation.
Write and Balance the following equations.
…
 updated 2 years ago
 1 reply
 2 Medals
Mathematics

mother123:
Group Title
Atoms of different elements are different sizes. Explain why the size of atoms does not increase smoothly as you progress the Periodic Table…
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

MajicMuzyk:
Group Title
I Need Help Plz!
 updated 2 years ago
 10 replies
 No Medals Yet
Mathematics

cherrish1234:
Group Title
A 2.41 kg wood block is launched up a wooden ramp that is inclined at a 32° angle. The block's initial speed is 9.67 m/s. What vertical heig…
 updated 2 years ago
 76 replies
 No Medals Yet
Mathematics

MajicMuzyk:
Group Title
Define the terms solvent and solute and explain why water is the universal solvent.
 updated 2 years ago
 7 replies
 1 Medal
Mathematics

Kr15TY95:
Group Title
the scale on the horizontal axis is 3s per division and the verticle axis 8m/s per division.
with the same initial position of 23m, what i…
 updated 2 years ago
 18 replies
 2 Medals
Mathematics

MajicMuzyk:
Group Title
Explain the role of data analysis in the scientific method.
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

Sbernardini:
Group Title
The femur bone in the human leg has a minimum effective cross section of about 3.0 cm^2. How much compressive force can it wthstand before b…
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

Timer:
Group Title
PLEASE HELP!
Jack and John are swingin on two different swing seats, but their max heights are about the same. Knowing that Jack is half …
 updated 2 years ago
 67 replies
 2 Medals
Mathematics

gerryliyana:
Group Title
[1/2] i'll bring topic about Molecular spectroscopy. Listen to me. "In the UV, visible and IR regions it is an experimental fact that a give…
 updated 2 years ago
 10 replies
 1 Medal
Mathematics

Kr15TY95:
Group Title
Both car A and car B leave school at the same
time, traveling in the same direction. Car A travels at a constant speed of 78 km/h, while
…
 updated 2 years ago
 32 replies
 1 Medal
Mathematics

sh3lsh:
Group Title
A constant horizontal force of 80N is applied to a 40kg crate at a rough level surface. If the crate accelerates at 1m/s^2, what is the coef…
 updated 2 years ago
 39 replies
 2 Medals
Mathematics

Sgstudent:
Group Title
Please recommend me ways to memorise cations and anions tables. I need creative ways which will work. Thank you
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

shaqchow:
Group Title
Two identical tuning forks vibrate at 587 Hz. After a small piece of clay is placed on one of them, eight beats per second are heard. What i…
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

ChrisSvengali:
Group Title
How is an ammeter connected to a circuit?
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

ChrisSvengali:
Group Title
The velocity of sound on a particular day outside is 331 meters/second. What is the frequency of a tone if it has a wavelength of 0.6 meters…
 updated 2 years ago
 2 replies
 1 Medal
Mathematics

maegann:
Group Title
The velocity of a diver just before hitting the water is 7.1 m/s, where the minus sign indicates that her motion is directly downward. What…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

happyanna:
Group Title
Given only one 10 and one 85 resistor, list all possible values of resistance that can be obtained. (Give values in ascending order. Enter…
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

jazzie:
Group Title
Two forces with magnitudes of 100 and 50 pounds act on an object at angles of 50° and 160° respectively. Find the direction and magnitude of…
 updated 2 years ago
 2 replies
 5 Medals
Mathematics

lily231456:
Group Title
what doesn't oxygen react with?
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

happyanna:
Group Title
What is the resistance of a 3.1 m length of copper wire 1.7 mm in diameter?
…
 updated 2 years ago
 5 replies
 3 Medals
Mathematics

bearjew11:
Group Title
Standing at the edge of a building of height 9.2m, a woman reaches out over the edge and throws a penny vertically upward. It rises, then fa…
 updated 2 years ago
 7 replies
 2 Medals
Mathematics

Luke31:
Group Title
A 10kg ball raised up by 2 m possesses energy called potential energy given by u=mgy, where g=9.8 m/s^2. What is the value and units of pote…
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

obidoa:
Group Title
A cart is moving horizontally along a straight line with constant speed of 30 m/s. A projectile is fired from the moving cart in such a way …
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

Emika122:
Group Title
Explain what is wrong with the following statement and write a new, correct statement. "When equilibrium is reached, particles stop moving b…
 updated 2 years ago
 1 reply
 1 Medal
Mathematics

nicky20166:
Group Title
Elements in the third period make compounds with oxygen as follows:
What are the compounds for Mg and P
…
 updated 2 years ago
 40 replies
 1 Medal
Mathematics
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