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3 years ago

What are two characteristics of acids

1 answer:

3 0

Here are some

pH < 7
Sour taste (though you should never use this characteristic to identify an acid in the lab)
Reacts with a metal to form hydrogen gas Increases the H+ concentration in water
Donates H+ ions
Turns blue litmus indicator red

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D. potassium + iodine →

aliina [53]

Answer:

The missing reagents are.

Potassium + Iodine = Potassium iodide

Calcium + oxygen = Calcium oxide

Beryllium + Bromine = Beryllium bromide

Copper + Oxygen = Copper oxide

Explanation:

The balanced equation can be written as:

1.Potassium + Iodine = Potassium iodide

$2K(s)+I_{2}(s)\rightarrow 2KI(s)$

Here K = potassium

I2 = Iodine

KI = potasssium iodide.

2.Calcium + oxygen = Calcium oxide

$2Ca(s)+O_{2}(g)\rightarrow 2CaO(s)$

Ca = calcium

O2 = oxygen

CaO = Calcium Oxide

3.Beryllium + Bromine = Beryllium bromide

$Be(s)+Br_{2}(g)\rightarrow BeBr_{2}(s)$

Here,

Be = beryllium

Br2 = bromine

BeBr2 = Beryllium Bromide

4. Copper + Oxygen = Copper oxide

$2Cu(s)+O_{2}(g)\rightarrow 2CuO(s)$

Cu = Copper

O2 = oxygen

CuO = Copper Oxide

5 0

3 years ago

1. From your best fit equation, calculate the pressure of the air inside the test tube if it were

neonofarm [45]

13235 the gahhh ya fly if ftcvjfjdjdhhdhdgdbdhhffhdhhdhfhfhfhhrvrhdbdbbdndnbdbfbbfbfhhfjfnfj

3 0

3 years ago

The substance being dissolved A) Solute B) Solubility C) Solvent

ArbitrLikvidat [17]

Answer:

A) Solute

Explanation:

In forming a solution, the substance which is dissolved by the action of the solvent is called solute.

6 0

2 years ago

What are the side effects of Sulfas and Macrolides?

Step2247 [10]

Answer: Minor side effects of macrolides are nausea, vomiting, diarrhea, and ringing or buzzing in the ears. Serious side effects, are allergic reaction and cholestatic hepatitis

For Sulfas the side effects are nausea, vomiting, diarrhea, and loss of appetite may occur. Serious side effects are severe allergic reaction, skin rashes, kidney, liver, or blood disorders.

4 0

3 years ago

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What is the definition of a chemical change that when two or more substances (molecules) combine to form a new substance (or new

lianna [129]

Answer:

synthesis reaction

Explanation:

5 0

2 years ago

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