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How do you solve #m  1 1/2 =  5/4#?

What is the power of a kitchen blender can perform 3750 joules of work in 15 seconds?

If an atom contains 12 protons and 10 neutrons, what's its mass number?

If #3 L# of a gas at room temperature exerts a pressure of #15 kPa# on its container, what pressure will the gas exert if the container's volume changes to #5 L#?

What is the amount of heat liberated (in kJ) from 327 g of mercury when it cools from 77.8°C to 12.0°C?

How do you determine the molar mass of #Fe_2O_3#?

How do you find the length of the missing side given a=19 b=? c=26?

A solution has #[H^+] = 2.0 * 10^5# #M#. How do you find the pOH of this solution?

If #2.4*10^5# #L# of gas is at #180# #mmHg#, what is the pressure when the gas is compressed to #1.8*10^3# #L# at constant temperature?

What is the difference of #9.47.9#?

How do you convert 16.2 ft to m?

How do you solve #3x^2  8x + 5 = 0 # using the quadratic formula?

If #12 L# of a gas at room temperature exerts a pressure of #64 kPa# on its container, what pressure will the gas exert if the container's volume changes to #24 L#?

How is a Celsius temperature reading converted to a Kelvin temperature?

How do you solve #2x^2  5x  3 = 0# using the quadratic formula?

How many moles of sodium nitrate, #NaNO_3#, would be produced from the complete reaction of 253g sodium chromate, #Na_2CrO_4#?

The density of mercury metal is 13.6 g/mL. What is the mass of 3.55 mL of the metal?

A pendulum swings back and forth with a period of 0.5 s. What is the length of the pendulum arm?

How do you convert 100 mm Hg to Pa?

62% of what is 89.3?

A certain shade of blue has a frequency of #7.32 * 10^14# #Hz#. What is the energy of exactly one photon of this light?

A textbook weighs 58.8 N on Earth. What is the mass of the textbook?

If #7/5 L# of a gas at room temperature exerts a pressure of #6 kPa# on its container, what pressure will the gas exert if the container's volume changes to #2/3 L#?

How many grams of sodium hydroxide are needed to completely neutralize 25.0 grams of sulfuric acid?

A container with a volume of #7 L# contains a gas with a temperature of #420^o K#. If the temperature of the gas changes to #300 ^o K# without any change in pressure, what must the container's new volume be?

How many moles of #ZnCl# are in 100 mL of 0.300 M solution?

How do you use the HendersonHasselbalch to calculate the pH of a buffer solution that is .50 M in #NH_3# and . 20 M in #NH_4Cl#?

How many #"g"# of water are required to be mixed with #"11.75 g"# of #HgCl# in order to make a #"0.01 m"# solution?

How do you solve for x: # 3(2x)=12#?

A solution contains 225 g of glucose, #C_6H_12O_6#, dissolved in enough water to make 0.825 L of solution. What is the molarity of the solution?

What is the molar mass of #NH_3#?

What is the reciprocal of #3#?

How do you figure out how many Valence electrons is in an atom?

How do you solve the inequality #2x  8< 7#?

What is 480 cm as m?

How do you solve #10x^211x6=0#?

What is the pressure (atm) of 3.5 moles of helium at 50 °C in a rigid container whose volume is 25.0 L?

You have 1.25 L of oxygen gas at STP. What is its mass?

How many moles is 135 L of ammonia gas at STP?

What is the molar mass of copper(l) nitrate, #Cu(NO_3)_2#?

How do you solve #4=(5z+2)/3#?

What is the molar mass of sodium oxygen oxalate #Na_2C_2O_4#?

How do you solve #3.4/x=2.17/7.7#?

How do you solve for y: in # 3y = ab#?

How many molecules of water are there in 36 grams of #H_2O#?

A mixture of two gases has a total pressure of 6.7 atm. If one gas has a partial pressure of 4.1 atm, what is the partial pressure of the other gas?

How do you solve #6x^2  7x + 2 = 0# using the quadratic formula?

How many silver atoms are there in 4.01 g of silver?

What is the volume of 19.87 mol of ammonium chloride (#NH_4Cl#) at STP?

What volume (in liters) does 2.895 moles of oxygen occupy at STP?

What is the total number of grams of #NaI# needed to make 1.0 liter of a 0.010 M solution?

If #9 L# of a gas at room temperature exerts a pressure of #12 kPa# on its container, what pressure will the gas exert if the container's volume changes to #4 L#?

An #HCl# solution has a concentration of #3.26 * 10^2# #M#. What is the pH of this solution?

What is the mass, in grams, of 15 L of #O_2# at STP?

How do you solve # 12 + 3x = 30#?

How do you solve #4y+13=37#?

How do you convert #5.3 * 10^25# molecules of #CO_2# to moles?

With a 0.5 M solution, many moles of NaCI would there be in 1,000 mL?

What is the H+ concentration (in molarity) of a solution with a pOH of 6.7?

A foam material has a density of #175# #g##/L#. What is its density in units of #lb##/ft^3#?

What is the density of sulfuric acid if 35.4 mL of the acid weighs 65.14 g?

How do you solve #14x=3x2#?

Abdul runs 7 miles in 80 minutes. At the same rate, how many miles would he run in 64 minutes?

The pH of a solution is 8.7, what is the pOH?

The mass number of a chromium atom is 52 and it has 24 protons. How many neutrons does this atom have?

Sam ran 63,756 feet in 70 minutes. What is Sam's rate in miles per hour?

How many atoms are present in 48.60 g of Mg?

What volume is needed to store 0.80 moles of helium gas at 204.6 kPa and 300 K?

Solid magnesium has a specific heat of 1.01 J/g°C. How much heat is given off by a 20.0 gram sample of magnesium when it cools from 70.0°C to 50.0°C?

How do you balance #PbSO_4 → PbSO_3 + O_2#?

What is STP in chemistry?

How do you solve #x − 6 = 11#?

What is the #[OH^]# in a solution that has a #[H_3O]=1.0*10^6# #M#?

A block of aluminum occupies a volume of 15.0 mL and weighs 40.5 g. What is it density?

What is the molality of a solution in which 2.3 g #O_2# gas dissolved in 355 g of water?

What is the boiling point (in °C) of a 1.56 m aqueous solution of #CaCl_2#?

How do you solve #n^24=77#?

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