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vlabodo [156]
3 years ago
14

How do the 5 branches of chemistry overlap?

Chemistry
1 answer:
mestny [16]3 years ago
7 0

Answer:

Chemistry, Biology, Medicine, Physics, and Geology

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PLZ HELP ME FAST I WILL GIVE BRAINLIST!! Two vehicles are traveling down the highway going 40 mph. Which has more kinetic energy
Mars2501 [29]
They actually have the same amount of kinetic energy but the bus I would say is more cuz it weighs more mass, more mass means the more energy it's going to need.
5 0
3 years ago
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A nurse measures the volume of a drop of medicine. The volume of 1 drop of medicine is 1.66mL. What is the volume in deciliters
marta [7]

Answer:

16.6dL

Explanation:

First, we need to convert 1.66mL dL this can be achieved by doing the following:

1mL = 0.01dL

1.66mL = 1.66 x 0.01 = 0.0166dL

From the question, we were told that the volume 1 drop of blood = 1.66mL i.e 0.0166dL.

Therefore 1000 drops of blood will be = 0.0166 x 1000 = 16.6dL

8 0
3 years ago
Citric acid is often used as an acidity regulator in hot water canning of tomatoes. At 25°C it has Kat 7.4x10- and A.Hº = +4.1 k
gavmur [86]

Answer:

The rate constant at T = 100 C is 1.0*10⁻³

Explanation:

The Arrhenius equation relates two rate constants K1 and K2 measured at temperatures T1 and T2 as shown below:

ln\frac{K_{2}}{K_{1}}=\frac{\Delta H^{0}rxn}{R}(\frac{1}{T_{1}}-\frac{1}{T_{2}})

here, ΔHrxn = standard enthalpy change of the reaction

R = gas constant

From the given information:

K1 = 7.4*10^-4

T1 = 25 C = 25+273 = 298 K

T2 = 100 C = 100+273 = 373K

ΔH°=4.1kJ/mol

ln\frac{K_{2}}{7.4*10^{-4}}=\frac{4.1 kJ/mol}{0.08314kJ/mol.K}(\frac{1}{298}-\frac{1}{373})K

K2 = 1.03*10⁻³

6 0
3 years ago
Which unit is used to measure the volume of a solid?
Feliz [49]
The unit used to measure the volume of a solid is cubic centimeters.
3 0
3 years ago
Consider the following precipitation reaction:
lubasha [3.4K]
6.47 x 10-3 mol / V = 0.183 M = 0.183 ml
5 0
3 years ago
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