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How do alpha particles cause ionisation?

The value of an early American coin increases in value at the rate of 6.5% annually. If the purchase price of the coin this year is $1,950, what is its value to the nearest dollar in 15 years?

Why is the change in Gibbs energy negative?

What happens to the distance between energy levels at higher energy levels?

If you have 16.8 L of gas at 1.0 atm, what is the new pressure if the volume is reduced to 15.0 L?

If 5,100 Joules of heat are released when a sample of water freezes,what is the mass of the water?

What is the derivative of this function # y=sin x(e^x)#?

The acid dissociation constant of #"H"_2"S"# and #"HS"^# are #10^7# and #10^13# respectively. The pH of 0.1 M aqueous solution of #"H"_2"S"# will be?

How many molecules are in 30 liters of methane #CH_4# at STP?

Which of the given salt will have maximum pH?

How do you find the antiderivative of #f(x)=8x^3+5x^29x+3#?

Chemistry A/As Level question? HELP!

How do you expand #(3x5y)^6# using Pascal’s Triangle?

What are the simple units that make up proteins?

A bicycle possesses 1000 units of momentum. What would be the bicycle's momentum if its velocity is doubled?

What is # 3^(3/2)# in radical form?

What is the pH of a solution that is 5.0×10−2 M in H2CO3?

What is your limiting reactant if 32 grams of CH4 reacts with 32 grams of oxygen gas?

What it metal cation, including charge, from the compound #CuCl_2#?

Chem Help????

Why are some molecules hydrophobic?

How many stable isotopes does oxygen have?

A 12 inch (in diameter) pizza is cut into various sizes. What is the area of a piece that was cut with a central angle of 31 degrees?
The area of the piece of pizza is approximately ____ square inches.
(Round to two decimal places as needed.)

What is the best way to study for an Algebra test?

A collection of 22 laptops includes 6 defective laptops. If a sample of 3 laptops is randomly chosen from the collection, what is the probability that at least one laptop in the sample will be defective?

How do covalent bonds form?

Calculate the mass of CO needed to react completely with 50.Og of Fe2 03?

What would be the kinetic energy?

How do you define sound intensity?

How do you find the volume of the solid generated by revolving the region bounded by the graphs of the equations #y=sqrtx#, y=0, and x=4 about the yaxis?

How do you find the slope of the line passing through the points (7,3) and (3,8)?

Compare and contrast isotopes and atoms ?

How do you find the amplitude, period and phase shift for #y=cos3(thetapi)4#?

On the EM Spectrum, which type of wave has the most energy?

Expalain the free radical substitution of alkane?

When bonds form, energy does what?

How do you calculate the energy change of reaction for the following reaction?

Can forces be combined?

A 4.0 M solution of Mg(OH)2 is completely neutralized 160 mL of a 1.0 M solution of HCl.
How many milliliters of magnesium hydroxide were required?

Why is pOH important?

The specific heat of water is 4.184 J/g times celsius degree. How much heat is required to raise the temperature of 5.0g of water by 3.0 C degrees?

Oxalic acid is diprotic. What volume of 0.100M KOH is required to neutralize 25ml of 0.333M oxalic acid?

The square of Mark's age 3 years ago is 6 times the age he will be in 9 years. What is his age now?

Calculate the amount of heat required to convert 45.0 g of water at 43.0 ∘C to steam at 100.0 ∘C.?

OH Concentration of 0.015 M HCl?

What electromagnetic waves are used for communication?

If a sample of LiF is found to contain 7.73 x 10^24 Li+ ions how many grams of LiF formula units are present?

What is the cofficient of Cr^2+?

What’s the final temperature in Kelvin of 1.5 gallons of water, with an initial temperature of 50 Fahrenheit, if you add 432 kJ to the water?

How do you multiply #(7z + 8x ) ( 7z  8x )#?

Why did Hitler want the area called the Sudetenland?

How do you use the chain rule to differentiate #f(x)=sin(1/(x^2+1))#?

How to do this question?

How do you solve #(x3)^2=3(x3)#?

Which chemical properties make a substance hydrophilic?

How do velocity and acceleration differ?

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