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Anestetic [448]
3 years ago
15

Sort the metric system prefixes into the correct order, smallest to largest.

Chemistry
2 answers:
AleksAgata [21]3 years ago
7 0

Answer:

mili

hecto

deci

deca

centi

kilo

Explanation:

mezya [45]3 years ago
4 0

Answer:

milli-

centi-

deci-

deca-

hecto-

kilo-

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Which statement accurately describes the movement of Earth's plates due to convection currents?
ValentinkaMS [17]

Answer:

The correct answer is the third statement, that is, when the heated substance gets near to the surface, it starts to cool.

Explanation:

A current that arises within a fluid due to convection is termed as the convection current. In comparison to the surface, the core is extremely hot, thus, both core and the surface exhibit very distinct temperatures. The mantle rises towards the surface when it gets heated as it moves close to the core. However, when it moves towards the surface, the mantle starts to turn cool and denser.  

Afterward, the magma, which is cool, again then begins to move close to the core, and gets heated and rises again, this phenomenon results in the emergence of convection currents.  

3 0
4 years ago
What is the mass of 1.84 mol NaCl? Give your
dusya [7]

Answer:

The answer is 108 g NaCI

Explanation:

5 0
3 years ago
Read 2 more answers
Compounds of Sc3+ are not colored, but those of Ti3+ and V3+ are. Why? 1. Sc3+ is a stable cation. 2. Ti3+ and V3+ are not stabl
chubhunter [2.5K]

Answer:

3

Explanation:

Scandium has no electron on the d orbital. Remember that transition metals have partially filled d orbital and have the ability to form coloured ion

6 0
4 years ago
What is the enthalpy change for this reaction?
Mrrafil [7]

Answer:

Do you have a picture

or can you state the reaction

5 0
3 years ago
Determine the specific heat of a material if a 35. Gram sample absorbed 96. Joules of energy as it was heated from 293 K to 313
podryga [215]

The specific heat of a material is 0.137 J/g°C.

<u>Explanation:</u>

The specific heat formula relates the heat energy required to perform a certain reaction with the mass of the reactants, specific heat and the change in temperature during the reaction.

Q = mcΔT

Here m is the mass, Q is the heat energy required, ΔT is the change in temperature and c is the specific heat.

So, if we have to determine the specific heat of the object, then we have to determine the ratio of heat required to mass of the object with change in time, as shown below.

c = \frac{Q}{m\ \times\ delta\ T}

As mass of the object m is given as 35 g and the energy is said to be absorbed so Q = 96 J.

The temperature values given should be changed from kelvin to celsius first. So, initial temperature 293 K will become 293-273.15 = 19.85°C.

Similarly, the final temperature will be 313 - 273.15 = 39.85°C.

Then, ΔT = 39.85-19.85 = 20 °C

Then,

c = \frac{96}{35 \times 20} =\frac{96}{700}  = 0.137 J/g^{o}C

So, the specific heat of a material is 0.137 J/g°C.

6 0
3 years ago
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