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ikadub [295]
2 years ago
5

I want a pharmacist technician to help me with a question please

Chemistry
1 answer:
Lera25 [3.4K]2 years ago
8 0

I'm a pharmacy dispenser which is the same thing. what's your question?

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Help with this please I’m really bad at this I will mark brainlist
Lorico [155]

Answer:

5 gsk

Alei

Explanation:

Bonjour comment tu

6 0
3 years ago
To what class of minerals do gold,silver & copper belong?
dolphi86 [110]
  • They are native elements i.e they occur in nature naturally without being combined with other elements
  • They are all metals and are all Transitional metals
4 0
3 years ago
What happens when an acid reacts with an active metal?
Ymorist [56]
The correct answer among the choices given above is the last option. When an acid reacts with an active metal, hydrogen gas is produced. The hydrogen in acid is displaced by the metal yielding hydrogen gas.

Mg + 2HCl = MgCl2 + H2
5 0
3 years ago
Read 2 more answers
What type of change occurs when water changes from a solid to a liquid? A. a phase change B. a physical change C. an irreversibl
mars1129 [50]
B, a physical change because it is not destroying the substance.
3 0
3 years ago
Assuming that the bath contains 250.0 g of water and that the calorimeter itself absorbs a negligible amount of heat, calculate
Anvisha [2.4K]

Answer:

-3272     kJ/mol

Explanation:

Given and known facts

Mass of Benzene = 0.187 grams

Mass of water = 250 grams

Standard heat capacity of water = 4.18 J/g∙°C

Change in temperature ΔT = 7.48°C

Heat

=250 * 4.18 * 7.48\\=7816.6 \\=7.82

Heat released by benzine is - 7.82 kJ

Now, we know that

0.187 grams of benzene release = -7.82  kJ heat

So, 1 g benzine releases

\frac{ -7.82 }{0.187}\\= -41.8

kJ/g

0.187 * \frac{1}{78.108}=0.00239 mol C6H6

Heat released

= \frac{-7.82}{ 0.00239}

=-3272     kJ/mol

4 0
3 years ago
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