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A culture of bacteria is growing at a constant rate of 5% an hour. If the culture started with 3000 bacteria at 6:00 a.m. on Tuesday, calculate the approximate time that the bacteria population will reach 72,000?

What is the difference between a biome and an ecosystem?

Question #6837f

If a wave is traveling at a certain speed and you cut its frequency in half, what happens to the wavelength?

Question #53744

What are differences between natural gas, coal, and oil?

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What is the sum of 2222 km and 333 km using the correct number of significant digits?

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How could acid rain affect food supplies?

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A ball with a mass of #4 kg # and velocity of #3 m/s# collides with a second ball with a mass of #5 kg# and velocity of # 7 m/s#. If #20%# of the kinetic energy is lost, what are the final velocities of the balls?

What is the term describing how correct a measurement is?

How can GMOs be helpful to humans?

Question #b8716

How did the four fundamental forces come to be?

What is the oxidation number of the ipso carbon in #HC(=O)O^()#?

Why when i add #NaOH# to 1 it give 2 and not 3 ?

What are ecologists trying to figure out by using food webs?

What is the mode, median and mean of 5, 27, 29, 13, 18, 19, 15, 19, 19, 27, 15, 22, 13, 26, 20?

How many molecules are in 165 g of carbon dioxide?

The formula of the compound is #A_2B_5#. The number of electrons in the outermost orbits of A and B respectively are?

Question #fd2d3

Question #883ac

A number in the range of 40 to 70 can be divided by 5 and have a remainder of 2. It can also be divided by 6 and also have a remainder of 2. What's the number?

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What factors control where different climates are found?

Question #76a6c

For the reaction #"CO"(g) + "NH"_3(g) rightleftharpoons "HCONH"_2(g)#, if #"3.00 atm"# of #"CO"# and #"1.40 atm"# of #"NH"_3# were allowed to react in a closed container, then if #K_p = 2.70# at a certain temperature, what is #P_(HCONH_2)# at equilibrium?

The displacement, d, in millimeters of a tuning fork as a function of time, t, in seconds can be modeled with the equation #d= 0.6sin(3520pit)# What is the frequency of the tuning fork?

Which appear first in the fossil record: Reptiles, amphibians, birds or mammals?

How do you find the max or minimum of #f(x)=1/2x^22x+3#?

Question #a47c8

How do you find the asymptotes for #f(x)=(x+2)/sqrt(6x^2+5x+4) #?

How much power is produced if a voltage of #8 V# is applied to a circuit with a resistance of #2 Omega#?

Question #7a413

What is the mass of 0.0914 moles of ammonium sulfate?

How can we curb human population growth?

Question #480ac

What is the structural formula for 2,3,6 trimethyl, 4 ethyl octane?

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What does energy efficiency measure?

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What new countries were formed in Southwest Asia?

In the central nervous system, myelln is formed by cells called what?

When it is 12 noon in Dallas, what time is it in New York City?

Who proposed the idea for the League of Nations?

How do you solve the polynomial inequality and state the answer in interval notation given #4x^4>=3x+1#?

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Which acid and which base would you combine to form the salt aluminum sulfate, #Al_2(SO_4)_3#?

How is water changing state during evaporation and condensation? Does it start as a solid, liquid or gas? What does it become?

How do astronomers use spectrographs?

How to find the relative atomic mass?

A cone has a height of #14 cm# and its base has a radius of #7 cm#. If the cone is horizontally cut into two segments #2 cm# from the base, what would the surface area of the bottom segment be?

What is the groundstate electron configuration of a neutral atom of magnesium?

Please how do I round 56.479 cents to the nearest cents?

Question #69992

Using a crankshaft, a carpenter drills a hole ,1 cm in radius, through a wooden ball along a diameter. If the radius of the ball is 4 cm, what is the volume of wood remaining? .

In reaction:
2H₂O(g)⇌2H₂(g)+O₂(g); ∆H=+242 kJ/mol
In which direction the equilibrium shifts, if:
a. Temperature is increased?
b. Temperature is descreased?
c. H₂ is added?
d. O₂ is reduced?
e. Pressure is enlarged?

Question #1a6a1

How do nuclear fusion reactions start?

Question #742bc

How do you write #30 + 54# as the sum of two numbers times their GCF?

What is the enthalpy of reaction at #"373 K"# if the heat capacities are the same at #"273 K"# and we know #DeltaH_(rxn)# at #"273 K"#?

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How do you solve #(3x  8) ^ { 2}  6= 58#?

You can drive your car 21.7 miles with one gallon of gasoline. At that rate, how many miles can you drive with 13.2 gallons of gasoline?

There are 17 occupied seats on the bus, 11 seats are empty. What s the ratio of number of occupied seats to empty seats?

What is the oxidation half reaction for #Mg(s) + ZnCl_2(ag) > MgCl_2(ag) + Zn(s)#?

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