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damaskus [11]
3 years ago
10

Which of these instruments sends its measurements directly to a computer?

Chemistry
2 answers:
JulijaS [17]3 years ago
5 0

Only C. a temperature probe sends its measurement directly to a computer.

However, you can buy stopwatches that send their measurements via Bluetooth to your smartphone and you can then download them to a computer.

NemiM [27]3 years ago
4 0

C is the only answer that makes sense

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Pretty sure it’s 2, increase in strength of hurricanes
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What is the formula for finding the density of<br> an object?
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The answer would be:
D = M/V

D=Density
M= mass
V= volume
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What were the 3 common states of matter on Earth?
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Answer:

i think that the answer is solid liquid and gas.

Explanation:

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When sucrose is hydrolyzed, Choose... will be created as the glycosidic linkage is broken. Hydrolyzed sucrose Choose... give a p
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When sucrose is hydrolyzed, <u>two reducing groups</u> will be created as the glycosidic linkage is broken. Hydrolyzed sucrose <u>will</u> give a positive Benedict's test. Hydrolysis can be achieved by adding <u>strong acids or enzymes.</u>

<h3>How is sucrose hydrolyzed in the body?</h3>

The reaction that breaks bonds and releases energy is called hydrolysis. It is a significant biological process that causes energy to be released from within our bodies. The human small intestine contains the -glucosidase enzyme sucrase, which hydrolyzes sucrose into its component monosaccharides fructose and glucose. In the brush boundary of the upper gastrointestinal system, roughly 10–25% of the fructose is converted to glucose.

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6 0
1 year ago
Question 1 (True/False Worth 2 points) (04.03 LC) When Pb and AlCl3 react together, lead (Pb) can replace aluminum (Al) in the c
aivan3 [116]

Answer:

For 1: The correct answer is false.

For 2: The correct answer is Na_3PO_4+3KOH\rightarrow 3NaOH + K_3PO_4, because K retains the same charge throughout the reaction.

For 3: The correct answer is Zn+H_2SO_4\rightarrow ZnSO_4 + H_2

For 4: The correct answer is a single replacement reaction takes place because sodium is more reactive than hydrogen.

For 5: The correct answer is False.

For 6: The correct answer is it is a single replacement reaction, and the cations in the two ionic compounds are different.

Explanation:

  • <u>For 1: </u>

This type or reaction is based on the reactivity series. If the metal which lies above in the series will replace the metal which lies below in the series easily.

From the reactivity table attached below, we know that lead lies below in the series to Aluminium and hence, it will not replace in the reaction.

Pb+AlCl_3\rightarrow \text{No reaction}

Hence, the correct answer is False.

  • <u>For 2: </u>

A balanced equation is defined as the equation in which there are same number of atoms present on the reactant side and the product side.

The balanced equation always follow Law of Conservation of Mass.

So, from the given options, the below equation is the balanced equation because K retains the same charge throughout the reaction.

Na_3PO_4+3KOH\rightarrow 3NaOH + K_3PO_4

  • <u>For 3:</u>

A single displacement reaction is a type of chemical reaction in which one element replaces another element in a chemical reaction. The element which is more reactive will replace the less less reactive element.

This is explained by reactivity series as the metal which lies above in the series will replace the metal which lies below in the series easily. From the given equations, the equation which is a type of single displacement reaction is:

Zn+H_2SO_4\rightarrow ZnSO_4 + H_2

Ba(OH)_2+H_2SO_4\rightarrow BaSO_4 + 2H_2O : This equation is a type of double displacement reaction.

2Mg+O_2\rightarrow 2MgO  : This equation is a type of combination reaction.

H_2O+CO_2\rightarrow H_2CO_3 : This equation is a type of combination reaction.

  • <u>For 4:</u>

A single displacement reaction is a type of chemical reaction in which one element replaces another element in a chemical reaction.

A+BC\rightarrow AC+B

A double displacement reaction is a type of chemical reaction in which exchange of ins takes place.

AB+CD\rightarrow AD+BC

In the question, it is asked that sodium metal is reacting with water to produce hydrogen gas and sodium hydroxide. This reaction is a type of single displacement reaction because sodium is more reactive than hydrogen as shown in the reactivity series.

2Na+2H_2O\rightarrow H_2+2NaOH

  • <u>For 5: </u>

A single displacement reaction is a type of chemical reaction in which one element replaces another element in a chemical reaction. This reaction will not follow when an element replaces similar element.

Hence, the statement is False.

  • <u>For 6:</u>

For the reaction:

\text{Metal + Ionic compound}\rightarrow \text{Metal + Ionic compound}

It is a type single replacement reaction as the cations in the two ionic compounds are different.

For Example:

3Na+AlCl_3\rightarrow 3NaCl+Al

Where, Sodium and Aluminium are the cations and chlorine is an anion.

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3 years ago
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