U2S1 Intro to Chemistry
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Last updated about 5 years ago
25 questions
Note from the author:
counting atoms, physical and chemical properties, density, significant figures, scientific notation
1
How many molecules are represented here: 4 Hg
How many molecules are represented here: 4 Hg
1
Baking powder contains: sodium bicarbonate, cornstarch, calcium phosphate and other components. Baking powder is classified as a .......
Baking powder contains: sodium bicarbonate, cornstarch, calcium phosphate and other components. Baking powder is classified as a .......
1
Report this number in two significant figure: 39704.89
Report this number in two significant figure: 39704.89
2
Which of the following statements about compounds/compound formation are false? More than one answer may apply.
Which of the following statements about compounds/compound formation are false? More than one answer may apply.
2
Which of the following is a TRUE statement? Multiple answers may apply.
Which of the following is a TRUE statement? Multiple answers may apply.
2
Which of the following is a FALSE statement?
Which of the following is a FALSE statement?
2
Convert 198213.01 cm^3 = _______________________kL. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
Convert 198213.01 cm^3 = _______________________kL. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
2
Convert 89.120 g = ________________ ng. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
Convert 89.120 g = ________________ ng. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
2
Convert 0.09173 m^3= ______________ mm^3. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
Convert 0.09173 m^3= ______________ mm^3. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
2
Convert 51.2 x 10^7 Gm = ____________km. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
Convert 51.2 x 10^7 Gm = ____________km. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
2
Convert 0.689 cm^2= ________ dm^2. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
Convert 0.689 cm^2= ________ dm^2. Sig Figs Matter! Show your work on scrap paper and submit at end of test.
2
Put the following in proper scientific notation: 0.000000420 x 10^5. Sig Figs Matter!
Put the following in proper scientific notation: 0.000000420 x 10^5. Sig Figs Matter!
2
Put the following in proper scientific notation: 220000.0 x 10^-12. Sig Figs Matter!
Put the following in proper scientific notation: 220000.0 x 10^-12. Sig Figs Matter!
2
Put the following in proper scientific notation: 12.80 x 10^3. Sig Figs Matter!
Put the following in proper scientific notation: 12.80 x 10^3. Sig Figs Matter!
2
Put the following in proper scientific notation: 97000000.0. Sig Figs Matter!
Put the following in proper scientific notation: 97000000.0. Sig Figs Matter!
2
State whether the following is an atom, element, compound and/or molecule. You can have more than one response: 2 CO
State whether the following is an atom, element, compound and/or molecule. You can have more than one response: 2 CO
2
State whether the following is an atom, element, compound and/or molecule. You can have more than one response: 6 Fe
State whether the following is an atom, element, compound and/or molecule. You can have more than one response: 6 Fe
2
State whether the following is an atom, element, compound and/or molecule. You can have more than one response: 9 O2
State whether the following is an atom, element, compound and/or molecule. You can have more than one response: 9 O2
1
How many significant figures are in the following? 210000 g
How many significant figures are in the following? 210000 g
1
How many significant figures are in the following? 0.013400 L
How many significant figures are in the following? 0.013400 L
1
How many significant figures are in the following? 8.0 x 10^-1
How many significant figures are in the following? 8.0 x 10^-1
3
Perform the following calculation and follow sig fig rules for your answer: 5000 g/ 20.0 mL
Perform the following calculation and follow sig fig rules for your answer: 5000 g/ 20.0 mL
3
Perform the following calculation and follow sig fig rules for your answer: (6.09 x 10^3 m) (0.0120 dm)
Perform the following calculation and follow sig fig rules for your answer: (6.09 x 10^3 m) (0.0120 dm)
3
Perform the following calculation and follow sig fig rules for your answer: 0.817 g + 21.8920 mg + 12 kg = _____
Perform the following calculation and follow sig fig rules for your answer: 0.817 g + 21.8920 mg + 12 kg = _____
6
Using the data table above, fill in the unknown values missing. Follow sig fig rules for each column. Show your work on scrap paper for submission at end of assessment. Trial 3- Mass of Graduated Cylinder=Trial 1- Mass of Unknown=Trial 2- Mass of Unknown=Trial 1- Density=Trial 2- Density=Trial 3- Density=
Using the data table above, fill in the unknown values missing. Follow sig fig rules for each column. Show your work on scrap paper for submission at end of assessment.
Trial 3- Mass of Graduated Cylinder=
Trial 1- Mass of Unknown=
Trial 2- Mass of Unknown=
Trial 1- Density=
Trial 2- Density=
Trial 3- Density=