12/21/18

If a can is 12 cm by 8 cm, how much fluid is in the can
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12/21/18

a compound is found to contain 6.1 hydrogen and 93.9 oxygen. find its empirical formula

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12/20/18

speed and velocity
a car is driving west on a highway at 25 m/s. what is the car's km/h and velocity?
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12/19/18

How many days would it take you to count a million pennies at the rate of 1 penny a minute?

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12/19/18

Ahhh finals are today please someone help I didn’t get to finish my study guide
A shipment 4 3/8 containers.if each container holds 2 1/7 tons of sugar, what is the amount of sugar in each container? Write your answer as a mixed number in simplest form
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12/19/18

2HgO=2Hg + O2 If 3.55mol HgO decomposes to creat 1.54mol O2 + 618g Hg .What is the percentage of this reaction?
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12/18/18

I have 10 mL of water with a ph of 12.82, how much water with a ph of 9.43 will I need to add to reduce the ph to 11.5
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12/18/18

Chemistry One limiting reagents
If 25.0 grams of nitrogen reacts with 4.50 of hydrogen, 21.2 grams of ammonia are actually produced. Calculate the limiting reagent and theoretical yield. can someone explain this question to me... more
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12/18/18

What is the most stable monatomic ion formed from caesium?
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12/18/18

A biker is riding at a constant velocity of 10 m/s. He then speeds up to 20 m/s in 2.5 seconds. What is his acceleration
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12/18/18

I have 5 apples in a bowl. Each apple weighs 70 grams and the empty bowl weighs 30 grams. What is the total weight of the 5 apples with the bowl
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12/18/18

What is the decimal multiplier to increase by 99%?
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12/18/18

What is sickle cell anemia?

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12/17/18

solving limiting reactant problems in solution
Suppose 3.50g of zinc bromide is dissolved in 300.mL of a 65.0mM aqueous solution of potassium carbonate.Calculate the final molarity of bromide anion in the solution. You can assume the volume of... more
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12/17/18

How do I pay the tutor
Not sure how and when to pay the tutor after the session
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12/17/18

Assuming that light travels at 186 thousand miles per second, and the is about 93million miles from the earth,how much time does light take to reach the earth from the sun?
Math is hard for me so my friend told me to come here so y'all can help me with my work cause I'm kinda retarded at times so answers these questions for me please and thank you for helping me with... more
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12/17/18

what volume in mL will 320 grams of oxygen gas occupy at 25 degree celsius and 79 kPa and a 7 atm of pressure, if it occupies 0.4 liters at STP
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12/17/18

do sound waves carry energy
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12/17/18

Finding the molecular formula through molar mass
Compound X  has a molar mass of 316.29·gmol−1 and the following composition:Phosporus: 39.17%Sulfur:60.83%Write the molcecular formula of X.
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12/17/18

Half Life In DAYS
A certain radioactive isotope has leaked into a small stream. OneOne hundred days after the​ leak, 99​% of the original amount of the substance remained. Determine the​ half-life of this... more
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12/17/18

Which statement best describes an example of a chemical property of a metal statue * 2 points It is silver. It is solid. It is shiny. It can tarnish.
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12/17/18

how to solve it
Five times the smallest of three consecutive integers is 117 more than the sum of the integers. Find the integers.
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12/17/18

The aluminum in a package containing 61 of kitchen foil weighs approximately 19 ounces. Aluminum has a density of 2.70 . What is the approximate thickness of the aluminum foil in millimeters? (
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12/15/18

How do I add numbers with scientific notation x10 with Negative power.

Equation : 14.23 x 10^-19 + 8.1 x 10^-20 ?How to solve and steps to solve.Please help and organized.
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12/15/18

the density of water is 1 gram per cubic centimeter. What is the density of water in kilograms per cubic centimeter?
the density of water is 1 gram per cubic centimeter. What is the density of water in kilograms per cubic centimeter? Help pls
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