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photoshop1234 [79]
3 years ago
7

Help please! Important!!!!!

Chemistry
2 answers:
Lubov Fominskaja [6]3 years ago
8 0
Oxygen
Carbon
Sulphur
Magnesium
Chlorine
Phosphorus
Potassium are the elements
Mekhanik [1.2K]3 years ago
6 0

Answer:

Oxygen

Carbon

Sulphur

Magnesium

Chlorine

Phosphorus

Potassium

Explanation:

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The following reaction shows calcium chloride reacting with silver nitrate.
adell [148]

Grams of Ca(NO₃)₂ produced : 0.985 g

<h3>Further explanation</h3>

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products.

Reaction

CaCl₂ + 2AgNO₃ → 2AgCl + Ca(NO₃)₂

MW AgNO₃ : 107.9+14+3.16=169.9

mol AgNO₃ :

\tt \dfrac{2}{169.9}=0.012

mol ratio Ca(NO₃)₂ : AgNO₃ = 1 : 2, so mol Ca(NO₃)₂ :

\tt \dfrac{1}{2}\times 0.012=0.006

MW Ca(NO₃)₂ : 40.1+2.14+6.16=164.1 g/mol

mass Ca(NO₃)₂ :

\tt 0.006\times 164.1=0.985

7 0
3 years ago
Is sugar (C12H22O11) an element or a compound?
Semmy [17]
I believe that sugar is a compound because there are elements that make up sugar
4 0
4 years ago
Please help me answser this, its a photo<br><br>o element<br>o subscribe<br>o coefficient
Oliga [24]

Answer:

3 atoms of (C)carbon, 5 atoms of (H)hydrogen and 2 atoms of (O)oxygen

Explanation:

i don't know what you mean by subscribe

and i don't know what a coefficient is

4 0
3 years ago
Someone please help will mark as brainliest
Tju [1.3M]

Answer: The answer is D.

Explanation: The warm water will cause the sugar to dissolve quicker.

5 0
3 years ago
Look at the picture below. Name the isotope.
Aleks [24]

Answer:

carbon-13

Explanation:

6 0
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