### Explain are we concerned with the amount of sample

Assignment Help Chemistry
##### Reference no: EM13272517

Are we concerned with the amount of sample that we use in this experiment and list at least three pros and cons for using a small sample under 0.05g and a large sample over 2.0g

#### Questions Cloud

 How far is suzanne from her image in the mirror : Starting 4.0m from a department store mirror, How far is Suzanne from her image in the mirror after 1.0s Outsourcing business processes for innovation : Describe the strengths of articles of your point of view and describes the weaknesses which is your criticisms. What is approximate time taken by the car to reach electrode : A charge of 4 micro-Coulomb is applied to the surface of the car. If the car travels a distance of 2 meter between the two electrodes, and if the mass of the car is 200 grams, then what is the approximate time taken by the car to reach the second .. What is the cost of external equity : Messman Manufacturing will issue common stock to the public for \$50. The expected dividend and growth in dividends are \$2.25 per share and 4%, respectively. If the flotation cost is 13% of the issue's gross proceeds, what is the cost of external e.. Explain are we concerned with the amount of sample : Are we concerned with the amount of sample that we use in this experiment and list at least three pros and cons for using a small sample under 0.05g and a large sample over 2.0g Find the expected angle for the third-order maximum : A grating has exactly 7800 lines uniformly spaced over 2.63 cm, What is the expected angle for the third-order maximum of the green line What is its future value : An investment will pay \$100 at the end of each of the next 3 years, \$300 at the end of Year 4, \$600 at the end of Year 5, and \$700 at the end of Year 6. If other investments of equal risk earn 9% annually, what is its present value? Round your ans.. Find out the molality of a solution of water dissolved : Determine the molality of a solution of water dissolved in methanol for which the mole fraction of water is 0.46. How large must each of the payments be : How large must each of the 5 payments be? Round your answer to the nearest cent.

### Write a Review

#### Compute the change in ph

Caulculate the change in pH when 0.95 g of CH3COONa is added to 48 mL of 0.50 M acetic acid, CH3COOH. Ignore any changes in volume. The Ka for CH3COOH is 1.8 * 10^-5

#### Explain chlorine released from chlorofluorocarbons reacts

Chlorine released from chlorofluorocarbons (CFCs) reacts with ozone in the atmosphere to form oxygen. The proposed reactions are

#### Chemical equation representing the electron affinity of oh

Electron affinity can be defined for molecules just as it is defined for single atoms. Write a complete chemical equation representing the electron affinity of OH. Include all relevant state symbols ((s), (g), etc.)

#### Compute the gasphase proton affinity of nh

calculate the gasphase proton affinity of NH3. The lattice energy of NH4Cl may be estimated from Kapustinskii's formula using rN-Cl = 3.50 Å.

#### How many moles of water are produced

2.00 x10^2 mL of .744 M HCl is mixed with 2.00 x 10^2 mL of .372 M Ba(OH)2. how many moles of water are produced in the reaction

#### What is the ph of the hf solution

A 35.00 mL solution of 0.2500 M HF is titrated with a standardized 0.1356 M solution of NaOH at 25 C.

#### Explain a ag/agcl reference electrode

Consider a Ag/AgCl reference electrode that includes a saturated KCl solution as the filling solution. Calculate the activity of Cl- in the filling solution.

#### Explain what is the volume of the gas after the explosion

when the explosion destroys the bomb casing the gas is released into the atmosphere where it reaches a pressure of 1.00 atm. what is the volume of the gas after the explosion? assume constant temperature and number of moles.

#### Compute the molar solubility and the solubility

Calculate the molar solubility and the solubility of iron (II) hydroxide in pure water then in 0.125M NaOH(aq).

#### Explain carbon dioxide makes the earth''s atmosphere

Carbon dioxide makes up approximately 0.04% of the Earth's atmosphere. If you collect a 2.0L sample from the atmosphere at sea level (1.00 atm) on a warm day

#### What is the total cabin pressure at which oxygen makes

An airplane is pressurized to 650 mmHg, Which is the atmospheric pressure at a ski resort at 1.30 * 10^4ft alt?

#### How many grams of kno3 were present in the original sample

A 49 gram sample of impure potassium nitrate (KNO3) was heated to complete decomposition according to the equation 2 KNO3(s) → 2 KNO2(s) + O2(g) After the reaction was complete.