Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Chemistry Expert

1.  Convert 1298.5 g to kilograms.

A)  1.2985 kg                 B) 12.985 kg                  C)  129.85 kg

D)  .12985 kg                 E).012985 kg                 AB) .0012985 kg

 

2.  Convert 2542 mL to liters.

A)  .02542 L                  B)  .2542 L                    C)  2.542 L

D)  25.42 L                    E)  254.2 L

 

3.  Convert 1.25 x 10-10 m to picometers.

 

A) 125 pm                     B) 12.5 pm                    C)  1.25 pm

D) .125 pm                    E)  .0125 pm                  AB)  .00125 pm

 

4.  Convert 45.3 inches to millimeters.

 

A)  115 mm                             B)  11.5 mm                            C)  1150 mm

D)  17.8 mm                            E)  1.78 mm                            AB)  178 mm

 

5.  Convert 454 yards to meters.

 

A)  415 m                      B)  41.5 m                      C)  4150 m

D)  64.3 m                     E)  643 m                       AB)  6430 m

 

6.  On earth, a kilogram has a weight of 2.205 lbs.  What mass in grams has a weight of

1 lb?

 

A)  435.5 g                     B) 453.5 g                      C) 455.3 g

D)  2205 g                      E)  220.5 g                     AB) 22.05 g

 

7.  A marathon runner looses 1.64 lbs of fat during a race.  How many grams of fat has this runner lost?

 

A)  744 g                        B)  74.4 g                       C) 7440 g

D)  3620 g                      E)  362 g                        AB) 36.2 g

 

8.  1.0 yd2 is how many square feet?

 

A)  6.0 ft2                       B)  9.0 ft2                       C) 27.0 ft2

D)  3.0 ft2                        E)  .33 ft2                                       AB) 27 ft2

 

9.  1.00 ft2 is how many square inches?

 

A)  12.0 in2                    B)  144 in2                     C) 24.0 in2

D)  14.4 in2                     E)  9.00 in2                                  AB) 12 in2

 

10.  1.0 yd3 is how many cubic feet?

 

A)  6.0 ft3                       B)  9.0 ft3                       C) 27.0 ft3

D)  3.0 ft3                        E)  .33 ft3                                       AB) 27 ft3

 

11.  Exactly 1 ft3 is how many cubic inches?

 

A)  12 in3                       B)  144 in3                     C) 24.0 in3

D)  36 in3                        E)  1728 in3                                 AB) 172.8 in3

 

12.  A gas can holds 5.00 gallons of gas.  How many cubic centimeters is this?

 

A)  18900 cm3                B)  21100 cm3                C)  18.9 cm3

D)  211 cm3                    E)  1890 cm3                  AB)  2110 cm3

 

13.  A new penny has a mass of 2.52 g and a volume of .349 cm3.  What is the density of the penny?

 

A)  7.22 g/cm3                B)  2.87 g/cm3                C)  .879 g/cm3     

D)  .138 g/cm3                E)  2.78 g/cm3                AB)  .987 g/cm3

 

14.  What is the mass of 2.60 L of white gas if its density is .790 g/cm3?

 

A)  3.39 g                       B)  2.05 g                       C)  2050 g  

D)  304 g                        E)  3290 g                      AB)  3.29 g

 

15.  What is the volume of 5.00 kg of iron if iron's density is 7.78 g/cm3?

 

A)  12.88 cm3                 B)  15600 cm3                C)  156 cm3

D)  2.78 cm3                            E)  38900 cm3                AB)  389 cm3

AC)  643 cm3

 

16.  Determine the number of significant figures in the measurement:

0.20200 cm

A)  3           B) 4            C)  5           D)  6           E)  2            AB) exact

 

17.  Determine the number of significant figures in the measurement:

20500 g.

A)  3           B) 4            C)  5           D)  6           E)  2            AB) exact

 

18.  Determine the number of significant figures in the advertisement:

20500 kitties for sale.

A)  3           B) 4            C)  5           D)  6           E)  2            AB) exact

 

19.  Determine the number of significant figures in the requirement:

1050 characters per page

A)  3           B) 4            C)  5           D)  6           E)  2            AB) exact

 

20.  Determine the number of significant figures in the measurement:

205.00 milliliters

A)  3           B) 4            C)  5           D)  6           E)  2            AB) exact

 

21.  Determine the number of significant figures in the measurement:

2050 milliliters

A)  3           B) 4            C)  5           D)  6           E)  2            AB) exact

 

22.  Determine the number of significant figures in the measurement:

0.2050 milliliters

A)  3           B)  4           C)  5            D)  6           E)  2            AB) exact

 

23.  Determine the number of significant figures in the measurement:

.02050 milliliters

A)  3           B) 4            C)  5           D)  6           E)  2            AB) exact

 

24.  Determine the number of significant figures in the measurement:

0.02050 milliliters

A)  3           B) 4            C)  5           D)  6           E)  2            AB) exact

 

25.  What is the proper scientific notation for the measurement .002130 L?

A)  2.130 x 10-3 L          B)  2.130 x 103 L           C)  2.130 x 10-2 L

D)  2.13 x 10-3 L             E)  2.13 x 103 L              AB)  2.13 x 10-2 L

 

26.  What is the proper scientific notation for the measurement  2130 L?

A)  2.130 x 10-3 L          B)  2.130 x 103 L           C)  2.130 x 10-2 L

D)  2.13 x 10-3 L             E)  2.13 x 103 L              AB)  2.13 x 10-2 L

 

27.  What is the proper scientific notation for the measurement  2130. L?

A)  2.130 x 10-3 L          B)  2.130 x 103 L           C)  2.130 x 10-2 L

D)  2.13 x 10-3 L             E)  2.13 x 103 L              AB)  2.13 x 10-2 L

 

Give the answer in the correct number of significant figures for the following calculations:

 

28.  4.523 cm x 2.56 cm =

A)  11.6 cm2                            B)  11.58 cm2                 C) 11.6 cm          

D) 11.58 cm

 

29.  4.523 cm/2.56 cm =

A) 1.77 cm                     B) 1.777 cm                             C)  1.77

D) 1.777

 

30.  4.520 cm x 2.50 cm =

A)  11.3 cm                    B)  11.30 cm                  C) 11.3 cm2         

D) 11.30 cm2                  E) 11 cm2                      AB)  11 cm

 

31.  4.520 cm/2.50 cm =

A) 1.81 cm                     B) 1.808 cm                             C)  1.8                 

D) 1.81                          E) 1.81                          AB)  1.808

 

32.  4.523 cm - 2.56 cm

A)  1.96 cm                    B) 1.963 cm                             C) 1.96

D) 1.963                        E)  1.96 cm2                           AB)  1.963 cm2

 

33.  4.520 cm - 2.50 cm =

A)  2.02 cm                    B) 2.020 cm                             C) 2.02

D)  2.020                       E)  2.02 cm2                          AB)  2.202 cm2

 

34.  How many centiliters are in 3.25 kiloliters?

A)  3.25 x 107 cL           B) 3.25 x 103 cL             C) 3.25 x 104 cL  

D) 3.25 x 106 cL            E) 3.25 x 105 cL          AB) 3.25 x 108 cL

 

35.  How many kiloliters are 32500. centiliters?

A)  3.25 x 101 kL           B) 3.25 x kL                            C) 3.25 x 10-1 kL 

D) 3.25 x 10-2 kL           E) 3.25 x 10-4 kL                   AB) 3.25 x 102 kL

 

36.  How many meters are 4500. mm?

A) 4.500 m                    B)  4.50 m                      C)  45.00 m

D)  45.0 m                     E)  .4500 m                  AB) .450 m

 

37.  How many millimeters are 58.50 meters?

A)  5.85 x 104 mm                   B)  5.850 x 104 mm                 C) 5.850 x 103 mm

D)  5.85 x 103 mm                   E)  5.85 x 105 mm                             AB) 5.85 x 105 mm

 

38.  How many meters are 585.0 millimeters?

A)  .5850 m                             B)  .585 m                      C) 5.850 m

D)  5.85  m                    E)  .05850 m               AB) .0585 m

 

1 ounce = 28.3495231 grams.

39.  How many ounces are 54.60 grams?

A)  1.926 oz                            B) 1.93  oz                     C)  1550 oz

D)  1548 oz                    E) .519 oz                    AB) .5192 oz

 

40.  How many grams are 54.60 ounces?

A)  1548 g                      B)  1540 g                      C)  1.926 g

D)  1.93 g                       E)  .519 g                    AB)  .5192 g

 

Density of quartz = 2.66 g/cm3

41.  What is the mass of 45.0 cm3 of quartz?

A)  120 g                        B) 120. g                        C)  16.9 g

D)  .0591 g                     E)  47.66 g                  AB)  17.0 g

 

42.  What is the volume of 45.0 g of quartz?

A)  120 cm3                    B) 120. cm3                    C)  16.9 cm3        

D)  .0591 cm3                 E)  16.92 cm3              AB)  17.0 cm3        

 

43.  What is the mass of 45.0 L of quartz?

A)  1.2 x 105 g               B) 1.20 x 105 g               C)  1.69 x 104 g

D)  59,100 g                            E)  1.692 x 1054 g                   AB)  1.70 x 104 g

 

44.  What is the volume of 45.0 kg of quartz?

A)  1.2 x 105 cm3           B) 1.20 x 105 cm3           C)  1.69 x 104 cm3         

D)  59,100 cm3               E)  1.692 x 104 cm3       AB)  1.70 x 104 cm3

 

45.   45.00 g of an unknown solid has a volume of 5.60 cm3.  What is the numerical value for the density of this material?

A)  252                          B)  .124                          C)  252.0

D)  .1244                       E)  8.03                       AB)  8.034

 

46.  What are the units for the density of the material in question 45.

A)  g                               B)  cm3                           C)  g/cm3

D)  cm3/g                        E)  g·cm3                     AB)  1/ g·cm3

 

47.  54.50 kg of an unknown solid has a volume of 4.30 L.  What is the density of this material?

A) 12.67 g/cm3               B)  12.7 g/cm3                C)  78.9 g/cm3

D)  2.34 g/cm3                E)  234 g/cm3               AB)  58.8 g/cm3

Chemistry, Academics

  • Category:- Chemistry
  • Reference No.:- M91413399
  • Price:- $60

Priced at Now at $60, Verified Solution

Have any Question?


Related Questions in Chemistry

Barium iodate baio32 forms an equilibrium with is ions in

Barium Iodate (Ba(IO3)2) forms an equilibrium with is ions in solution. How does adding additional barium to the solution affect the Ksp of barium iodate. Explain.

Calculate the volume of 60m naoh solution that you would

Calculate the volume of 6.0M NaOH solution that you would need to prepare 500mL of a .15M NaOH solution. (formula weight of NaOH = 40.00g/m)

An iron skillet weighing 128kg is heated on a stove to

An iron skillet weighing 1.28kg is heated on a stove to 178°C. Suppose the skillet is cooled to room temperature., 21°C. How much heat energyin joules must be removed to effect this cooling? The specific heat of iron is ...

A 315-nbspsample ofnbspnh4no3nbspis introduced intoan

A 3.15- sample of NH4NO3 is introduced intoan evacuated 2.26- L flask and then heated to 245 C. What is the total gas pressure, in atmospheres, in the flask at245 C when the NH4NO3 has completely decomposed?

202 g of an unknown molecular solute is dissolved in 565

20.2 g of an unknown molecular solute is dissolved in 5.65 moles of aniline (C6H5NH2), causing the boiling point of aniline to increase by 3.79 °C. Calculate the molar mass of the solute. For aniline, the molar mass is 9 ...

With the provided indicated equilibrium constant is the

With the provided indicated equilibrium constant, Is the equilibrium mixture made up of predominately reactants, predominately products or significant amounts of both products and reactants? 2 O 3  (g) -------- 3 O 2  (g ...

Magnesium metal0100 mol and a volume of aqueous

Magnesium metal(0.100 mol) and a volume of aqueous hydrochloric acid that contains0.500 mol of HCl are combined and react to completion. How manyliters of hydrogen gas, measured at STP, are produced? Mg(s) + 2HCl(aq) --- ...

A 440 g sample of an unknown metal at 990nbspoc was placed

A 44.0 g sample of an unknown metal at 99.0  o C was placed in a constant-pressure calorimeter of negligible heat capacity containing 80.0 mL water at 24.0  o C. The final temperature of the system was found to be 28.4  ...

The molecular weight of an unknown gas was measured by an

The molecular weight of an unknown gas was measured by an effusion experiment. It was found that it took 64 seconds for the gas to effuse, whereas nitrogen required 48 seconds. The molecular mass of the gas is ?

It takes 378 ml of 02114 m naoh to neutralize 193 ml of an

It takes 37.8 mL of 0.2114 M NaOH to neutralize 19.3 mL of an oxalic acid solution with an unknown concentration. Calculate the actual concentration of this oxalic acid solution. Don't forget to look at the balanced equa ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As