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Gen Chem week 2
17問 • 1年前
  • Lawrence Frias
    • 通報

    問題一覧

  • 1

    Is a quantitative measure of the hotness and coldness of matter.

    temperature

  • 2

    Four commonly used temperatures

    celsius (°C), fahrenheit (°F), kelvin (K), rankine (R)

  • 3

    Proposed by Daniel Gabriel Fahrenheit. It has no absolute zero. A 0°F does not imply the absence of heat or kinetic energy in a matter. The negative reading in the thermometer indicates that there is a presence of heat but that is below 0°F.

    fahrenheit

  • 4

    Who proposed Fahrenheit

    Daniel Gabriel Fahrenheit

  • 5

    Introduced by Anders Celsius. It has no absolute zero. At -273°C, water molecules have zero kinetic energy and are at their most condensed form. Upon reaching 0°C, water molecules in three different states (solid, liquid, gas ) coexist.

    celsius

  • 6

    Who introduced celsius

    Anders Celsius

  • 7

    Proposed by William Thomson, who also known as Lord Kelvin. Has an absolute zero. This means that there is an absence of heat or kinetic energy in matter at 0 K. -

    kelvin

  • 8

    Who proposed kelvin

    William Thomson

  • 9

    Proposed by William John Macquorn Rankine. Has an absolute zero. This means that there is an absence of heat or kinetic energy in matter at 0 R.

    rankine

  • 10

    Who proposed rankine

    William John Macquorn Rankine

  • 11

    is the process of changing the value of temperature from one unit to another. We measure temperature on scales like Kelvin, Celsius, and Fahrenheit, etc.

    temperature conversion

  • 12

    when measurements are made, there is always a degree of uncertainty. - Uncertainty is associated in with the following: ( measuring instrument, external factors, skill of the person who took the

    uncertainties in measurements

  • 13

    A qualitative term used in determining the degree of conformity of a test result to a true or accepted value.

    accuracy

  • 14

    Pertains to the consistency of achieving the same results repeatedly even if the value is far from the true value. To say that the data is precise means the data are close in value to one another.

    precision

  • 15

    When handling experimental data, you need to follow certain rules so that the correct number of significant figures is expressed in result.

    operation with significant figures

  • 16

    When numbers are added or subtracted, the number of decimal places in the final answer should be equal to the smallest number of decimal places of any of the measured quantities.

    addition/subtraction rule

  • 17

    When multiplying several quantities, the number of significant figures in the final answer is the same as the term with the least number of significant figures.

    multiplication/division rule

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    問題一覧

  • 1

    Is a quantitative measure of the hotness and coldness of matter.

    temperature

  • 2

    Four commonly used temperatures

    celsius (°C), fahrenheit (°F), kelvin (K), rankine (R)

  • 3

    Proposed by Daniel Gabriel Fahrenheit. It has no absolute zero. A 0°F does not imply the absence of heat or kinetic energy in a matter. The negative reading in the thermometer indicates that there is a presence of heat but that is below 0°F.

    fahrenheit

  • 4

    Who proposed Fahrenheit

    Daniel Gabriel Fahrenheit

  • 5

    Introduced by Anders Celsius. It has no absolute zero. At -273°C, water molecules have zero kinetic energy and are at their most condensed form. Upon reaching 0°C, water molecules in three different states (solid, liquid, gas ) coexist.

    celsius

  • 6

    Who introduced celsius

    Anders Celsius

  • 7

    Proposed by William Thomson, who also known as Lord Kelvin. Has an absolute zero. This means that there is an absence of heat or kinetic energy in matter at 0 K. -

    kelvin

  • 8

    Who proposed kelvin

    William Thomson

  • 9

    Proposed by William John Macquorn Rankine. Has an absolute zero. This means that there is an absence of heat or kinetic energy in matter at 0 R.

    rankine

  • 10

    Who proposed rankine

    William John Macquorn Rankine

  • 11

    is the process of changing the value of temperature from one unit to another. We measure temperature on scales like Kelvin, Celsius, and Fahrenheit, etc.

    temperature conversion

  • 12

    when measurements are made, there is always a degree of uncertainty. - Uncertainty is associated in with the following: ( measuring instrument, external factors, skill of the person who took the

    uncertainties in measurements

  • 13

    A qualitative term used in determining the degree of conformity of a test result to a true or accepted value.

    accuracy

  • 14

    Pertains to the consistency of achieving the same results repeatedly even if the value is far from the true value. To say that the data is precise means the data are close in value to one another.

    precision

  • 15

    When handling experimental data, you need to follow certain rules so that the correct number of significant figures is expressed in result.

    operation with significant figures

  • 16

    When numbers are added or subtracted, the number of decimal places in the final answer should be equal to the smallest number of decimal places of any of the measured quantities.

    addition/subtraction rule

  • 17

    When multiplying several quantities, the number of significant figures in the final answer is the same as the term with the least number of significant figures.

    multiplication/division rule