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Temka [501]
2 years ago
9

Which of the graphs below shows a person walking at a constant rate with no change in speed or velocity?

Chemistry
2 answers:
charle [14.2K]2 years ago
8 0

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

The graph showing a person who is walking at the same rate with no change in speed or velocity is :

  • Person B

maria [59]2 years ago
7 0

Answer:

all of these maybe I think

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a substance has a definite volume but no definite shape ? state whether this substance is a solid , a liquid , or a gas.​
DerKrebs [107]

Answer:

A liquid

Explanation:

This is the answer!! Hope this helps.

4 0
3 years ago
Be<br><br> Name the element.<br><br> Number of shells?<br><br> Valence electrons?
Vedmedyk [2.9K]

Answer:

Name the element: Beryllium

Number of shells:  4

Valence electrons: 2

Explanation:

4 0
3 years ago
Give one chemical property of soda ash.
Elenna [48]
<span>Soda ash is sodium carbonate, Na2CO3. One chemical property of this compound is its basicity, which is measured by the pKb. The pKb for sodium carbonate is 3.67. It is the result of the dissociation of Na2CO3 in water: Na2CO3 + H2O = Na HCO3 + Na (+) + OH(-). This pKb means that it is a highly basic compound. pKb = log { 1 / [OH-] }, so pKb is a measure of the concentrations of OH- ions, which is the basiciity of the compound. </span>
4 0
3 years ago
What is the percentage of lithium in lithium carbonate (Li2CO3)?
ale4655 [162]
Molar mass Li2CO3 = 73.89 g/mol
Molar mass Li = 6.94g/mol Li = 6.94*2 = 13.88g


% LI = 13.88/73.89*100 = 18.78% perfectly correct.
6 0
2 years ago
Read 2 more answers
Which of the following is NOT a property of a base?
inna [77]

Bases turns cabbage juice yellow or green is not a property of bases.

<u>Explanation:</u>

As per the property of the bases, the correct statements are:

  • The taste of the bases are bitter.
  • Solutions of bases are slippery in nature
  • Bases reacts with the metals to form hydrogen gas and a salt.
  • For example, sodium hydroxide reacts with zinc metal to form sodium zincate salt and hydrogen gas.

Wrong statement:

  • It turns cabbage juice yellow or green, whereas it turns the cabbage juice blue or green and acids turns cabbage juice red or pink.
8 0
3 years ago
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