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Question #7eca9

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

Question #742bc

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?

Question #480ac

How many molecules are in 165 g of carbon dioxide?

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?

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

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

What does energy efficiency measure?

Question #89228

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

How can we curb human population growth?

Question #32f49

Question #fd2d3

Question #b8716

Question #ebdd3

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

How do nuclear fusion reactions start?

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?

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?

Question #7a413

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"#?

Question #bf4d3

How did the four fundamental forces come to be?

What is the mass of 0.0914 moles of ammonium sulfate?

Who proposed the idea for the League of Nations?

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

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

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

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

Question #0a35a

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

Question #0616a

Question #53744

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

Question #32c5c

What is the difference between a biome and an ecosystem?

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

Question #ad38a

Question #1a6a1

How can GMOs be helpful to humans?

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?

How to find the relative atomic mass?

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

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?

Question #6837f

What new countries were formed in Southwest Asia?

Question #46dc6

Question #64d8c

How could acid rain affect food supplies?

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

Question #2d8b3

Question #3c8c1

Question #2be51

Question #c8443

Question #49509

Question #69992

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

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

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

How do astronomers use spectrographs?

Question #a47c8

Question #b83fb

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

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

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

Question #8fb72

Question #84767

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

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?

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

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

Question #b6b70

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?

What is the term describing how correct a measurement is?

Question #76a6c

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? .

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

Question #883ac

What factors control where different climates are found?

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