3,287 Answered Questions for the topic Science
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What are some the ways you think department of natural resource is or not fulfilling their mission statement to "secure a sustainable future for our environment"?
Which isotope of an element is the most abundant if you know the elements average atomic mass
Deternine which isotope of an element is the most abundant if you know the elements average atomic mass
What is a chemical reaction and how is it related to the physical properties of matter.
Chemical equation: a short way to show a chemical reaction using symbols instead of words
how many square kilometres of algae farm would be needed?
A particular algae can be grown at a rate of 30 grams per square metre per day, producing 0.016 litres of biodiesel with an energy density of 9.8 kWh per litre. If it was necessary to produce... more
Calculate the energy cost (kWh/p/d)
Australia produces 20 megatonnes (Mt) of alumina every year, where each tonne requires 3.8 MWh of heat energy to produce. Calculate the energy cost (kWh/p/d) to produce alumina spread across the... more
Calculate the cost of the electricity consumed (in cents).
A 99 W lightbulb is switched on for 4 hours. Calculate the cost of the electricity consumed (in cents), if the electricity tariff is 25c per kWh.
why do you see increase and decrease in the zebra mussels and the quagga mussels invasive species population
The question is a sciencce lab on investigative report.
What would happen to the moon if I took a piece of it away and brought it to Earth?
This is not homework. Its just a question that I have been thinking about.
1. Natalie performed the next experiment: • She measures 100cm3 of water and puts this into a beaker. • Then she adds a 1g indigestion tablet to the water. • Fi
1. Natalie performed the next experiment:• She measures 100cm3 of water and puts this into a beaker.• Then she adds a 1g indigestion tablet to the water.• Finally, she measures the change in... more
After 30 cycles, calculate how much PCR product (in micrograms) could potentially be produced
1 microgram of human genomic DNA is amplified in a PCR reaction using primers designed to amplify a 330 base pair fragment. After 30 cycles, calculate how much PCR product (in micrograms) could... more
Science High School: Science
Science and enzymes and yea
Explain what would happen if a reactant molecule with a different shape to the enzyme came in contact with the enzymes active site I need need the answer ASAP thanks dudes
Why it is easier for a person to float while swimming in the Great Salt Lake than it is at Lake Tahoe.
Explain the answer in a complete sentence please
Is 416 proportional to 52 explain
I think I will need help with math word problems and science and language art and I need dictionary
calcium , argon , sodium , nitrogen , oxygen , chlorine. which of these can become stable by losing 1 electron
science : atoms and assessment lesson 1
what is photosynthesis?
I do not understand this!! Also What is a cellular respiration and how does it take place? Please advise!!! Jessica
what is the formula for changed temperature
what is the formula for a changed temperature of water
Arts and Science / Evolution College Course Question
Hi,I'm in an Arts&Science 195 College Course and I have my final coming up My teacher wants "A 2000 word paper on the representation of evolutionary biology in a particular cultural text either... more
9(2-w) using distributive property
Answer this using the distributive property
Shirley Temple was curling her hair when she dropped the curling iron.
Shirley Temple was curling her hair when she dropped the curling iron. The curling iron fell 1.899 m to the floor. How long (in seconds) did it fall?
IDENTIFY the benefits that space technology has provided for modern society.
Please help! I don't know this. And my mom is kind of getting upset about this. So please help me right away. Again right way! AND WHOEVER HELPS THANK YOU. Sorry about the caps. Just please help me
Are they any calculation/formula of Ocean Thermal Energy Conversion that uses the unit of power or energy?
example: kWh/d/y, w/m2 etc..
What is the average kWh/d per person in Sydney due to aluminium smelting?
Tomago aluminium smelter located near Sydney has a rated capacity of 520,000 tonnes of aluminium per year. The production of each kilogram of aluminium requires 15 kWh of primary energy to smelt... more
If a machine does 100 joules of work over the course of 10 seconds, how much power is required?
I got this answer wrong on a test and I'm terrible at science so I was just wondering what the right answer was!
Express your answer in units of kWh/d.
Chickens require 0.075 kWh per day of energy (as feed) for each kilogram of animal, and 2/3 of an adult chicken is edible meat. The lifespan of a chicken is 50 days.What is the daily energy... more