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igor_vitrenko [27]
3 years ago
13

True or False: The atomic number is the number of neutrons in an element?

Chemistry
1 answer:
klio [65]3 years ago
5 0

Answer:

true

Explanation:

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Choose whether the statements about oil sands are true or false. The viscosity of bitumen is about 100 times greater than the vi
Alexxx [7]

The First 2 statements stated above were false whereas the third one is a true statement.

Explanation:

  • The viscosity of bitumen is about 100 times greater than the viscosity of water - False

Reason - The viscosity of bitumen is about not 100 times greater than the viscosity of water, it is actually 100, 000 times greater.

  • Oil from oil sand deposits is only obtained by first heating the sands at high temperatures is False.

Reason- Oil from oil sand deposits is not obtained by first heating the sands at high temperatures but by using steams

  • Oil sands contain sand, water, and light crude oil is true.
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3 years ago
What equipment might you use to find the SHC of a material? Need to know the answer ASAP PLZ
algol [13]
Theses can include the power supply circuit a joule meter to measure the energy transferred which makes the calculations a lot easier.
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3 years ago
Materials: • One disposable plastic cup • One disposable plastic spoon (plastic fork or knife may be used instead) • Thermometer
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I'm not sure what the question is, this is a lab proecdure
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3 years ago
Research shows that the combination of __________ and __________ can reduce the risk of death in a collision by up to 80%
r-ruslan [8.4K]
The combination of seatbelts and airbags can reduce the risk of death in a collision by up to 80%.

The seatbelts help to keep the person in one position and prevent impact with the vehicle as the vehicle comes to a sudden stop. Moreover, the airbag increases the time of collision to reduce the impact experienced by the person. An increased time of collision greatly reduces the damage that is done to the body.
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The Prandtl number, Pr, is a dimensionless group important in heat transfer. It is defined as Pr - Cp*mu/k where Cp is the heat
algol [13]

Answer:

The Prandtl number for this example is 14,553.

Explanation:

The Prandlt number is defined as:

Pr=\frac{C_{p}*\mu}{k}

To compute the Prandlt number for this case, is best if we use the same units in every term of the formula.

\mu=1896 \frac{lbm}{ft*h}*\frac{1000 g}{2.205 lbm}*\frac{3.281 ft}{1 m}*\frac{1h}{3600s}  =7938 \frac{g}{m*s}

Now that we have coherent units, we can calculate Pr

Pr=\frac{C_{p}*\mu}{k}=0.66*7938/0.36=14553

8 0
3 years ago
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