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Ello Moto
How earthquake resistance are power line?
Recently we bought a house, and standing right behind our house is a giant power line. And since we live in Sacramento, California you can probably understand my concern. Here's a picture of what this power line looks like, and it's very very similar to this
2 AnswersEarth Sciences & Geology6 years agoMy internet die whenever I use wireless about 20-30 feet away?
Modem: http://www.amazon.com/gp/product/B004XC6GJ0/ref=oh...
Wireless router: http://www.amazon.com/gp/product/B003Y5RYNY/ref=oh...
I take my laptop to just about every room in the house, and I noticed that I tend to lose connection whenever I'm 20-30 feet away. My wireless router firmware is up to date. I'm not sure if the modem can be updated.
2 AnswersComputer Networking6 years agoWhat is the number of atoms in a sample?
with the average mass of 97.89 amu, what is the number of atoms in 100.00g of Te (Technetium)?
1 AnswerHomework Help6 years agoCalculate the average mass of technetium?
using this chart, pick technetium isotopes and natural abundance and calculate the average mass.
1 AnswerChemistry6 years agoClassify the substances as atomic elements, molecular elements, molecular compounds, or ionic compounds?
N2
HBr
NcCl
Cu
O2
SO2
Fe2O3
1 AnswerChemistry7 years agoIntroduction Chemistry?
Carbon-12 contains 6 protons and 6 neutrons. The radius of the nucleus is approximately 2.7 fm, and the radius of the atom is approximately 70 pm.
A) Calculate the volume of the nucleus and the volume of the atom.
B) What percentage of the carbon atom's volume is occupied by the nucleus?
1 AnswerChemistry7 years agoIntroduction Chemistry?
Copper has two naturally occurring isotopes. Cu−63 has a mass of 62.939 amu and relative abundance of 69.17%.
1 AnswerChemistry7 years agoHow many electrons does these elements need to gain or lose?
A) I
B) Ba
C) Cs
D) Se
2 AnswersChemistry7 years agoSterling silver is an alloy which is 92.5% silver and 7.5% copper.?
What total of weight is sterling silver can be made from 100.0 g of pure silver? (Assum you have more than enough copper).
1 AnswerInvesting7 years agoA room contains 50kg of air.?
How many kilowatt-hours of energy are necessary to heat the air in the house from 8C to 25C? The heat capacity of air is 1.03 J/gC.
1 AnswerEngineering7 years agoA block of aluminum with a volume of 93.9cm^3 absorbs 69.7J of heat.?
If its initial temperature was 38.4C, what is its final temperature? (density of aluminum =2.70 g/cm^3)
1 AnswerChemistry7 years agoA 46kg sample of water absorbs 3.40×102kJ of heat.?
If the water was initially at 21.2∘C, what is its final temperature?
2 AnswersChemistry7 years agoIn the explosion of a hydrogen-filled balloon, 0.80g of hydrogen reacted with 6.4g of oxygen.?
How many grams of water vapor are formed? (Water vapor is the only product.)
1 AnswerChemistry7 years ago
