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dalvyx [7]
3 years ago
7

A student is asked to convert measurements from grams to kilograms and from kilograms to grams. His answers are shown in bold in

the choices shown below. On which choice did he make a mistake? 765 g = 0.765 kg 10.1 g = 0.0011 kg 1000 g = 1 kg 5.44 g = 0.00544 kg
Chemistry
2 answers:
german3 years ago
8 0
It has to be 2 hope this helps

MA_775_DIABLO [31]3 years ago
5 0

Answer:

10.1 g = 0.0011 kg is incorrect

Explanation:

When converting from g to kg we divide by 1000 and when converting from kg to g we multiply by 1000.

765 g = 0.765 kg is correct since 1 kg = 1000 g  

10.1 g = 0.0011 kg is incorrect since 1 kg = 1000 g

10.1 g = 0.0101 kg is correct

1000 g = 1 kg is the correct conversion factor

5.44 g = 0.00544 kg is correct since 1 kg = 1000 g

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Write any five prevention of cancer ​
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Answer:

Don't use tobacco or tobacco-containing products

Maintain a healthy diet

Protect yourself from the sun, make sure to use sunscreen

Go to the doctor regularly, for general checkups

Stay physically active

Explanation:

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8 0
2 years ago
The amount of heat absorbed by the alcohol was determined to be 1.17kJ. Given that the specific heat of the alcohol is 2.42J/gC
quester [9]

Answer:

                      ΔT  =  20.06 °C

Explanation:

The equation used for this problem is as follow,

                                    Q  =  m Cp ΔT   ----- (1)

Where;

           Q  =  Heat  =  1.17 kJ = 1170 J

           m  =  mass  =  24.1 g

           Cp  =  Specific Heat Capacity  =  2.42 J.g⁻¹.°C⁻¹

           ΔT  =  Change in Temperature  =  <u>??</u>

Solving eq. 1 for ΔT,

                                ΔT  =  Q / m Cp

Putting values,

                                ΔT  =  1170 J / 24.1 g × 2.42 J.g⁻¹.°C⁻¹

                                ΔT  =  20.06 °C

6 0
2 years ago
Question 27 Unsaved
lina2011 [118]

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3 0
3 years ago
If 0.251moles of H2O gas are produced, how many liters of oxygen gas was used?
Alborosie

Answer:

o.251 prduces 45.7L of oxogen

Explanation:

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4 0
3 years ago
A perfect cube of aluminum metal was found to weigh 20.00 g. The density of aluminum is 2.7 g/ml. What are the dimensions of the
denis23 [38]

Answer:

             Height  = 1.9493 cm

             Width =  1.9493 cm

             Depth  =  1.9493 cm

Solution:

Data Given:

                  Mass  =  20 g

                  Density  =  2.7 g/mL

Step 1: Calculate the Volume,

As,

                                        Density  =  Mass ÷ Volume

Or,

                                        Volume  =  Mass ÷ Density

Putting values,

                                        Volume  =  20 g ÷ 2.7 g/mL

                                        Volume  =  7.407 mL or 7.407 cm³

Step 2: Calculate Dimensions of the Cube:

As we know,

                                        Volume  =  length × width × depth

So, we will take the cube root of 7.407 cm³ which is 1.9493 cm.

Hence,

                                        Volume  =  1.9493 cm × 1.9493 cm × 1.9493 cm

                                        Volume  =  7.407 cm³

4 0
3 years ago
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