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Contact [7]
3 years ago
9

Which of the following is NOT an element?

Chemistry
2 answers:
anastassius [24]3 years ago
7 0
The answer to you're question is salt. 
Aneli [31]3 years ago
4 0
Salt. 
Please mark brainy. Thank you!=)

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2. Write the chemical equation for the reaction NaOH Sodium Hydroxide AgNO3 Silver Nitrate
lys-0071 [83]

Answer:

AgNO3 + NaOH = AgOH + NaNO3.

Explanation:

<em><u>Balancing Strategies: In this reaction, the products are initially NaNO3 + AgOH. However the AgOH would break down into Ag2O and H2O. This would give us NaNO3 + Ag2O + H2O as our products for the overall reaction.</u></em>

<em><u>Balancing Strategies: In this reaction, the products are initially NaNO3 + AgOH. However the AgOH would break down into Ag2O and H2O. This would give us NaNO3 + Ag2O + H2O as our products for the overall reaction.However, the equation balanced here is the initial reaction which produces AgOH and NaNO3.</u></em>

8 0
3 years ago
Butters can jump 5.5 feet. How many inches can he jump? (12 in = 1 ft)
olchik [2.2K]

Answer:66

Explanation:

5.5 feet is 66 inches

7 0
3 years ago
Read 2 more answers
A metal has higher reactivity than mag esoum where would the metal be on a periodic table
Butoxors [25]

Answer is: below magnesium in group 2 or in group 1 (left from magnesium).

Reactivity series is an empirical progression of a series of metals, arranged by their reactivity from highest to lowest (alkaline metals have highest reactivity and Noble metals lowest reactivity).

This series are used to summarize information about the reactions of metals with acids or water, double displacement reactions (more reactive metals displace metals with lower reactivity) and the extraction of metals from their ores.

Sodium and potassium (group 1 - alkaline metal) are more reactive than magnesium.

Strontium and barium (group 2 in periodic table) are higher in this group from magnesium. Strontium is stronger reducing agent than magnesium, gives electrons easier.

5 0
4 years ago
Difference between isopropyl alcohol and ethyl alcohol
Tanzania [10]

Answer:

Both alcohols are flammable, and both are used as disinfectants. There are varying grades of both in terms of purity, ethanol is more widely used in wet laboratories whereas isopropyl alcohol is preferentially used to disinfect electronic devices.

3 0
2 years ago
How many fluorine atoms are there in 39.4 moles of CF4?
emmainna [20.7K]

Answer:

here

Explanation:

Answer: 4

A molecule of carbon tetrafluoride, CF4 , is made up of 1 carbon atom bonded to 4 fluorine atoms. Each carbon atom weighs 12.0 amu and each fluorine atom weighs 19.0 amu so 1 CF4 molecule weighs 1×12.0 amu + 4×19.0 amu = 88.0 amu. This number, 88.0, is called the molecular weight (or molecular mass) of CF4.

8 0
3 years ago
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