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ankoles [38]
3 years ago
8

my tens digit is 2 more than my hundreds digit and my ones digit is 1 more than my tens digit. my Hundreds digit is 5. what numb

er am i? ​
Chemistry
2 answers:
Reil [10]3 years ago
8 0

Answer:

see below

Explanation:

578

Marta_Voda [28]3 years ago
6 0
578 is definitely the answer
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Let’s say that you have a solvatochromic compound that appears red in a solvent. You dissolve the compound in another solvent an
KiRa [710]

Answer:

Hypsochromic shift.

The second solvent is more polar.

Explanation:

Compound A + Solvent 1 = red

Compound A + Solvent 2 = orange

Since orange has a smaller wavelength than red, the electronic transition observed when the compound A is dissolved in solvent 2 has a higher energy.

A band transition to a lower wavelength and higher energy is called a hypsochromic shift.

The change in the color due to the solvent is called solvatochromism. Usually, when the hypsochromic shift is observed (negative solvatochromism) it means that the solvent is more polar.

7 0
3 years ago
A van moves with a constant speed
Kitty [74]

Answer:

1.5 hours or 90 minutes

Explanation:

Velocity = d/t

V = 64 mi / hour or 96 mi / 9 min OR 16 mi / 15 min

D = 96 miles

Velocity * Time = Distance

Time = Distance / Velocity

T = 96 mi / 64 mi / hour

96 / 64 = 1.5 mi per hour

T = 1.5 hours or 90 minutes

4 0
3 years ago
A CaCl2 solution is given to increase blood levels of calcium. If a patient receives 6.1 mL of a 12 % (m/v) CaCl2 solution, how
Yuliya22 [10]

Mass of CaCl₂ = 0.732 g

<h3>Further explanation</h3>

The concentration of a substance can be expressed in several quantities such as moles, percent (%) weight / volume,), molarity, molality, parts per million (ppm) or mole fraction. The concentration shows the amount of solute in a unit of the amount of solvent.

\tt \%(m/v)\rightarrow 12\%=\dfrac{mass~CaCl_2}{volume~of~solution}\times 100\%\\\\mass~CaCl_2=12\%\times 6.1\div 100\%\\\\mass~CaCl_2=0.732~g

5 0
3 years ago
A compound with an approximate molar mass of
Sauron [17]
G about the answer if I don’t do this I Will fail!!!!!! NO LINKS NO LYING
4 0
3 years ago
An someone help me with this
valina [46]

2)c

3)b

4)c

5)a

hope this helps!!!

6)a

7)c

3 0
3 years ago
Read 2 more answers
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