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Sergio039 [100]
3 years ago
12

What is the atomic number of iron oxide?

Chemistry
2 answers:
Irina-Kira [14]3 years ago
5 0

Answer:

26. Hemoglobin is a tetramer that consists of four polypeptide chains. Each monomer contains a heme group in which an iron ion is bound to oxygen.

Explanation:

lisov135 [29]3 years ago
5 0

Answer:

26. (I think.)

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Pls help
bezimeni [28]

Answer:

Particle Symbol Mass

electron e- 0.0005486 amu

proton p+ 1.007276 amu

neutron no 1.008665

8 0
3 years ago
How many molecules are in 85 grams of Silver?
densk [106]

Answer:

3.0 × 10

3.0 \times  {10}^{23}

molecules

Explanation:

there are many molecules

8 0
3 years ago
Describe a qualitative test for sulfate in alum crystals using ionic reactions of barium chloride (BaCl2)
Lady bird [3.3K]

A qualitative test for sulfate in alum crystals using ionic reactions of barium chloride (BaCl2) is given Ba²⁺(aq) + SO₄²⁻ (aq)  →   BaSO₄(s).

<h3>What is qualitative test?</h3>

Qualitative test measures changes in color, melting point, odor, reactivity, radioactivity, boiling point, bubble production, and precipitation of the sample.

<h3>Qualitative test for sulfate in alum crystals </h3>

When an aqueous solution of a barium salt (BaCl₂) is mixed with an aqueous solution containing sulfate, a white precipitate of insoluble BaSO₄ forms according to the net ionic equation given below;

Ba²⁺(aq) + SO₄²⁻ (aq)  →   BaSO₄(s)

Thus, a qualitative test for sulfate in alum crystals using ionic reactions of barium chloride (BaCl2) is given Ba²⁺(aq) + SO₄²⁻ (aq)  →   BaSO₄(s).

Learn more about qualitative test here: brainly.com/question/2109763

#SPJ1

8 0
2 years ago
Acids taste<br> a. sweet. <br> c. bitter. <br> b. sour. <br> d. salty
Gnesinka [82]
The answer is (b) for example lemon juice is an acid and it tastes sour.
Hope this helps :).
4 0
3 years ago
Water temperature is general cooler where?
Arada [10]

The temperature of water is cooler in deep oceans. The temperature there goes to 0°C to -3°C below which the water freezes. The water on the surface of the oceans and deep inside it varies because of the difference in energy of the two layers. One of the widest use of cold water is air conditioning. Cold water has a higher density than warm water. Water gets colder with profundity since chilly, salty sea water sinks to the base of the sea beds underneath the less dense hotter water close to the surface.

7 0
3 years ago
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