Question and answer
Which of the following would increase the rate of a chemical reaction between hydrochloric acid (HCl) and solid zinc metal (Zn)?
Question|Asked by VanessitaKim1995
Asked 163 days ago|12/13/2021 9:17:54 PM
Updated 163 days ago|12/13/2021 9:46:27 PM
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User: Which of the following would increase the rate of a chemical reaction between hydrochloric acid (HCl) and solid zinc metal (Zn)?

Weegy: Pulverizing the zinc metal into a fine powder would increase the rate of a chemical reaction between hydrochloric acid (HCl) and solid zinc metal [ (Zn). ]
Score .804

User: A chemical reaction in which two elements or radicals change places with two other elements or radicals is a _______ reaction.

Weegy: A chemical reaction in which two elements or radicals change places with two other elements or radicals is a DOUBLE REPLACEMENT reaction.
|Score 1|beezy_187|Points 461|

User: Paraffins are the simplest _______ series, where the difference between each member of the series is a simple structural unit.

Weegy: Paraffins are the simplest HOMOLOGOUS series, where the difference between each member of the series is a simple structural unit.
Score 1

User: The rare earth elements include

Weegy: The rare earth elements include the lanthanide series and the actinide series.
Score 1

User: Which of the following formulas represents an olefin (aka alkene)?

Weegy: C2H4 represents an olefin (aka alkene).
Score 1

User: The smallest unit of an element that has all of the properties of the element is a/an

Weegy: The smallest unit of an element that has all of the properties of the element is an Atom.
|Score 1|emdjay23|Points 237848|

User: Which of the following notations is the appropriate and final way to display the formula for magnesium chloride?

Weegy: MgCl2 would be the appropriate and final way to display the formula for magnesium chloride.
|Score 1|Wallet.ro|Points 233040|

User: Which statement is true about alkali metals?

Question|Asked by VanessitaKim1995
Asked 163 days ago|12/13/2021 9:17:54 PM
Updated 163 days ago|12/13/2021 9:46:27 PM
1 Answer/Comment
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Some of them explode when exposed to water.- is true about alkali metals.
Added 163 days ago|12/13/2021 9:46:27 PM
This answer has been confirmed as correct and helpful.
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Questions asked by VanessitaKim1995
In ferns, the plant structure that produces sperm and egg cells is known as which of the following?
Weegy: In ferns, the plant structure that produces sperm and egg cells is known as Gametophyte. User: Which of the following best describes why invertebrates isn't considered a scientifically valid word when classifying animals? Weegy: The following best describes why invertebrates isn't considered a scientifically valid word when classifying animals: The term invertebrates classifies animals haphazardly based on a missing characteristic rather than a common [ one. ] User: Plants have many different hormones that influence their growth, development, and life cycle. For example, a cluster of over-ripe bananas on the counter can cause a newer apple to begin to ripen more quickly and go bad. Which hormone below is found in many fruits and can become airborne and cause over-ripening and abscission? (More)
Question|Asked by VanessitaKim1995
Not Answered
Updated 169 days ago|12/7/2021 6:50:15 PM
1 Answer/Comment
Plants have many different hormones that influence their growth, development, and life cycle. For example, a cluster of over-ripe bananas on the counter can cause a newer apple to begin to ripen more quickly and go bad. Ethylene is found in many fruits and can become airborne and cause over-ripening and abscission.
Added 169 days ago|12/7/2021 6:50:15 PM
This answer has been confirmed as correct and helpful.
Which of the following could be a consequence of exercising and sweating on a day that's already hot?
Weegy: Heatstroke could be a consequence of exercising and sweating on a day that's already hot. (More)
Question|Asked by VanessitaKim1995
Expert Answered
Asked 169 days ago|12/7/2021 6:48:36 PM
0 Answers/Comments
Which chamber of the heart pumps blood to the rest of the body?
Weegy: The Left Ventricle is the chamber of the heart that pumps blood to the rest of the body. User: Gas exchange of CO2 for oxygen occurs between capillaries and what structure in the lungs? Weegy: Gas exchange of CO2 for oxygen occurs between capillaries and alveoli. User: Which of the following is indicated by the arrow in the image? Weegy: Antigen is indicated by the arrow in the image. User: The hollow collection of undifferentiated cells that occurs after fertilization and initial mitosis is called a Weegy: The hollow collection of undifferentiated cells that occurs after fertilization and initial mitosis is called a blastocyst. User: Which of the following statements correctly describes what happens to the diaphragm during an inhalation, when the lungs inflate? Weegy: The diaphragm contracts and flattens. [ -correctly describe what happens to the diaphragm during an inhalation when the lungs inflate. ] User: Which of the following would result in fraternal twins, who don't have identical DNA? (More)
Question|Asked by VanessitaKim1995
Not Answered
Updated 169 days ago|12/7/2021 7:47:11 PM
1 Answer/Comment
Two sperm fertilizing two different eggs that were released in the same cycle would result in fraternal twins, who don't have identical DNA.
Added 169 days ago|12/7/2021 7:47:11 PM
This answer has been confirmed as correct and helpful.
On Monday John bought 7 apples. On Tuesday he bought 3 times as many apples as he did on Monday. How many apples did John buy on Tuesday?
Weegy: On Monday John bought 7 apples. On Tuesday he bought 3 times as many apples as he did on Monday. John bought 21 apples on Tuesday. Solution: 7 * 3 = 21. User: If a number is divisible by both 2 and 3 then we can say the number is divisible by Weegy: If a number is divisible by both 2 and 3 then we can say the number is divisible by 6. User: Which answer choice contains all the factors of 10? Weegy: All the factors of 10 are 1, 2, 5, [ 10. ] User: Which of the following numbers is a multiple of 6? Weegy: 882 is a multiple of 6. User: In the equation R + 14 = 39, what is the value of R? Weegy: In the equation R + 14 = 39, R = 39-14 = 25; the value of R is 25. User: Which of the following is a composite number? Weegy: 91 is a composite number. User: What is the square root of 81? Weegy: Square root of 81 is 9 or -9. User: In the equation Q – 12 = 89, what is the value of Q? Weegy: Q ? 12 = 89; Q = 89 + 12; Q = 101 User: Which one of the following numbers is a multiple of 8? (More)
Question|Asked by VanessitaKim1995
Not Answered
Updated 168 days ago|12/9/2021 5:18:54 PM
1 Answer/Comment
512 is a multiple of 8.
Added 168 days ago|12/9/2021 5:18:54 PM
This answer has been confirmed as correct and helpful.
Simplify and solve this equation for q: 3q + 5 + 2q – 5 = 65.
Weegy: 3q + 5 + 2q - 5 = 65 User: Solve the following equation: 6y – 20 = 2y – 4. Weegy: 6y - 20 = 2y - 4; User: Solve this inequality: 9h + 2 Weegy: 9h + 2 < -79 (More)
Question|Asked by VanessitaKim1995
Updated 160 days ago|12/17/2021 11:49:56 AM
4 Answers/Comments
3q + 5 + 2q – 5 = 65.
5q = 65
q = 13
Added 167 days ago|12/9/2021 6:02:39 PM
This answer has been confirmed as correct and helpful.
6y – 20 = 2y – 4.
4y = 16
y = 4
Added 167 days ago|12/9/2021 6:03:12 PM
This answer has been confirmed as correct and helpful.
9h + 2 < –79.
9h < -81
h < -9
Added 167 days ago|12/9/2021 6:03:52 PM
This answer has been confirmed as correct and helpful.
3q+5+2q+5=65
5q=65
q=13
Added 160 days ago|12/17/2021 11:49:56 AM
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