83 Answered Questions for the topic Chemistry Measurement Word Problem

Chemistry Measurement Word Problem

05/17/17

#### i need some help working out this chemistry problem.

1. One cup of kidney beans contains 15 g of protein, 1.0 g of fat, and 42 g of carbohydrate. How many kilocalories, to two significant figures, does this sample contain?

Chemistry Measurement Word Problem Modeling With Equations

03/27/17

#### Half life equation model

An organic sample from a Chinchorro mummy was found to contain 54.29% of the relative proportion of carbon-14 found in living matter and the atmosphere. Approximately how long before the carbon-14...
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Chemistry Measurement Word Problem

01/23/17

#### If your front lawn is 18.0 feet wide and 20.0 feet long, and each square foot of lawn accumulates 1050 new snow flakes every minute, how much snow (in kilograms

please add instructions so i can understand please and thank you I'm so lost

12/04/16

#### Chemistry Mole to Mole Stoichiometric Conversions

How many moles of NO are produced by the reaction of 6.35 grams of Cu with excess HNO3, Given the equation below:
3 Cu(S) + 8 HNO3 (aq)= 3 Cu(NO3)2 (aq) + 2 NO(g) + 4 H2O(l)

11/25/16

#### Finding how high a column of water in meters can be with the density of water and mercury

I'm struggling to understand what the question is asking me and what concepts it is trying to test...
If the density of water is 1.00g/mL and the density of mercury is 13.6g/mL, how high a...
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#### Calculating Enthalpy in a Calorimeter Experiment

When 25.0 mL of 1.0 M H2SO4 is added to 50.0mL of 1.0M of NaOH at 25.0 degrees C in a calorimeter, the temperature of the aqueous solution increases to 33.9 degrees C. Assuming that the specific...
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11/21/16

#### balanced combustion reaction for C6H6

Equation: 2C6H6(l)+15O2(g)--> 12CO2+6H2O(l)_6542 KJ
If 5.900g of C6H6 is burned and the heat from the burning is added to 5691g of water at 21 degrees Celsius, what is the final temperature...
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Chemistry Measurement Word Problem Chemistry

10/30/16

#### Compare and contrast wavelength, frequency, and energy as they relate to the electromagnetic spectrum

Please explain in detail.

Chemistry Measurement Word Problem

10/25/16

#### If a cat weighing 13 pounds has 75 fleas, how many fleas would a 20 pound cat have?

Please include how you arrived at the answer using conversion factors

Chemistry Measurement Word Problem Chemistry

10/22/16

#### Select all species that are included in a NET ionic equation.

Product solids
Spectator ions
Reactant solids
Reactant ions
Product ions
I know that spectator ions are not included. However, when I select product solids, reactant solids, reactant...
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Chemistry Measurement Word Problem Chemistry Conversion

10/08/16

#### how many moles of Ag+ are in 3.8 g of AgCl?

the mass of AgCl is 143

#### Please Help W/ Chemistry Question!

Consider the reaction of hydrogen and oxygen producing water. If 24.6 g of water is produced and 2.9 g of hydrogen is used, how many g of oxygen are needed?
Is it 27.5? Or am I wrong and...
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Chemistry Measurement Word Problem

09/13/16

#### Density question

The density of mercury is 13.6 g/mL. How many millimeters of mercury are needed to give a mass of 0.25 lbs.?

Chemistry Measurement Word Problem

09/13/16

#### Density question

The density of oil is 0.879 g/mL. How many grams of oil are needed to fill a 25.00 mL graduated cylinder?

Chemistry Measurement Word Problem

09/13/16

#### Density question

the density of aluminum is 2.70 g/cm^3. A piece of aluminum foil that is 10.00 cm on each side has a mass of 440. mg. How thick is the piece of foil?

Chemistry Measurement Word Problem

08/15/16

#### Chemistry honors measurement word problem

If a temperature scale were based on freezing point5.5 C and boiling point 80.1C of benzene & the temp difference between was divided into 50 units Called degree X what would be the freezing...
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#### Calculate q

A cylinder contains 250 g of Helium at 200 K. The external pressure is constant at 1 atm. The temperature of the gas inside the cylinder is then lowered by 97 K.Calculate q for this system in...
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07/14/16

#### Bomb Calorimetry

A 2.44 g sample of stearic acid (C18H32O2), a common constituent of fats, is burned in a bomb calorimeter. The temperature of the calorimeter increases by 48.0oC (Celsius). Given that the energy of...
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07/09/16

#### The products of complete combustion of ethanol, C2H5OH, are shown in the unbalanced equation:

C2H5OH (l) + O2 (g) ----> CO2 (g) + H2O (l)
This reaction has a CO2 percent yield of 62.3%
What will be the mass of CO2 EXPERIMENTALLY obtained when 44.5g O2 and 24.6g C2H5OH are...
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#### What is the % Sn and % Cu in the sample?

You are given a piece of metal alloy that is made of tin and copper. If the density of the sample is found to be 8.59 g/mL what is the % Sn and % Cu in the sample?

05/14/16

#### If the temperature of argon gas is 400 K and the average velocity of argon is twice that of radon what is the temperature of radon gas?

The answer key says it is 555 K. How do I approach this question?

Chemistry Measurement Word Problem

05/12/16

#### determining the proper units for these equations:

1) 3.00 x 10^8 m/s divided by 227.3 m= ?
2) 325000 J divided by (25.0 m/s)^2= ?

Chemistry Measurement Word Problem

04/07/16

#### Chemistry Moles. Given the balanced equation below, 2YCl3 + 3Na2SO4 = 6NaCl + Y2(SO4)3, you have 5.57 grams

of YCl3. Determine the number of grams of Na2So4 that are needed to react with it. I got the formula weight of YCl3 as 195.5 grams, but now I'm stuck.

03/05/16

#### What is the mass-volume percent of sodium chloride in a 4.30L aqueous solution made with 80 grams of sodium chloride?

Thanks for the help

Chemistry Measurement Word Problem

02/15/16

#### chemistry heat problem

The specific heat of a certain type of metal is 0.128 J/(g·°C). What is the final temperature if 305 J of heat is added to 68.5 g of this metal initially at 20.0 °C?

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