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lianna [129]
2 years ago
6

The person who answerers this will get 100 points pls answer all the question's

Chemistry
1 answer:
zysi [14]2 years ago
5 0

Answer:

I think that is the literal answer

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Which of the following is a metal?
kogti [31]

Answer:

A.................. I think the answer

3 0
3 years ago
A sample of helium has a volume of 5 liters and a pressure of 699 mmHg. If the final volume is 5.7 Liters, its final temperature
malfutka [58]

Answer:

The initial temperature of helium was T1 = 232.23 K

Explanation:

Given data:

Initial volume V1 = 5 L

Initial pressure P1 = 699 mmHg

Final pressure P2 = 800 mmHg

Final volume V2 = 5.7 L

Final temperature T2= 303 K

Initial temperature T1 = ?

Solution:

Formula:

P1V1/T1 = P2V2/T2

T1 = T2 × P1V1/P2V2

T1 = 303 K × 699 mmHg × 5 L / 800 mmHg × 5.7 L

T1 = 1058985/ 4560

T1 = 232.23 K

initial temperature of helium was 232.23 k.

6 0
3 years ago
Which answer below correctly identifies the type of change and the explanation for the boiling of water?
Trava [24]

Answer:

The second choice: physical change because even though gas formation was observed, the water was undergoing a state change, which means that its original properties are preserved

(WAS ALREADY ANSWERED PREVIOUSLY)

6 0
2 years ago
Column A
vampirchik [111]

Answer:

a. pH paper can tell you the pH. pH paper only can turn a variety of colors that represent different pH numbers.

B. Litmus paper only tells you acid or base in order to turns red or blue color.

Explanation:

pH paper is a type of paper which is used for the identification of pH of the substance. On pH paper, colors are present which shows pH numbers of a solution while litmus paper is a type of paper which is used for the identification of solution whether it is acidic or basic. There are two colors i. e. Red and Blue. If the litmus paper turns red, the solution is acidic or if the litmus paper turns blue, the solution is alkaline or basic.

3 0
3 years ago
For each ionic compound formula, identify the main group to which X belongs: (a) CaX2;
RideAnS [48]

For each ionic compound formula, identify the main group to group 17  (VIIA).

Group17 (VIIA) is the primary group to which X belongs in each ionic combination with the formula CaX2. X is undoubtedly an electron acceptor. It is capable of taking an electron. We determine that X must be in the oxidation state -1 by looking at the chemical formula. The neutral ionic compound's total number of oxidation states is zero. Since calcium has an oxidation state of +2, we must identify the element that contains an anion with an oxidation state of -1. The halogens have a strong propensity to pick up an electron and create an anion. X belongs to group17 (VIIA) as a result.

To know more about ionic compound formula refer the link:

brainly.com/question/9597623

#SPJ4

4 0
1 year ago
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