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Valentin [98]
3 years ago
8

What metal will have properties most similar to those of chromium (Cr)? Why?

Chemistry
1 answer:
garri49 [273]3 years ago
5 0
That element is manganese. As they are in same horizontal row (period) and are next to each other. That is why they show same properties. 

Hope this helps xox :)
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Which of the following increases the reaction rate? A. Adding a catalyst to the reaction mixture B. Increasing the size of solid
pickupchik [31]
A. Adding a catalyst. A catalyst by definition is a compound that speeds up reaction rates.
7 0
3 years ago
What is the net ionic equation for the reaction if any that occurs when aqueous solutions of Na2CO3 and HCL are mixed?
strojnjashka [21]

Answer:

CO₃²⁻(aq)  +  2H⁺(aq) → CO₂ (g)  + H₂O (l)

Explanation:

The balanced reaction between Na2CO3 and HCl is given as;

Na₂CO₃ (aq) + 2 HCl (aq) → 2 NaCl (aq) + CO₂ (g) + H₂O (l)

The next step is o express the species as ions.

The complete ionic equation for the above  reaction would be;

2Na⁺(aq)  + CO₃²⁻(aq)  +  2H⁺(aq)  + 2Cl⁻(aq)   → Na⁺(aq)  + Cl⁻(aq)  + CO₂ (g)  + H₂O (l)

The next step is to cancel out the spectator ion ions; that is the ions that appear in both the reactant and product side unchanged.

The spectator ions are;  Na⁺ and Cl⁻

The net ionic equation is given as;

CO₃²⁻(aq)  +  2H⁺(aq) → CO₂ (g)  + H₂O (l)

7 0
3 years ago
Extra points!
noname [10]

Answer:

1A

2B

3B

4A

Explanation:

3 0
3 years ago
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If you have 6 moles of reactant A and excess of B and C, how much product E would be formed
pychu [463]
B and C are in excess so amount of E will be determined by A. 

Amount of product is determined by limiting reagents - Always.

Hence 6 moles of E will be formed.

Hope this helps!
3 0
3 years ago
What is TRUE of a mixture?
jolli1 [7]

Answer:

It retains the properties of the substances that make it up

Explanation:

Mixture show the properties of substances like a mixture of iron filling and sulphur show properties of both

8 0
3 years ago
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