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hammer [34]
2 years ago
14

How many liters of oxygen gas are there in 45.0g O, at 0 degrees C and 1 atm of pressure? make sure to round to the correct numb

er of
sig figs and to include the unit in your final answer
Chemistry
1 answer:
ZanzabumX [31]2 years ago
3 0

Answer:

You can use the pdf to help you

Explanation:

Download pdf
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Explain why science is is you significant digits
-BARSIC- [3]
Why use significant digits you ask? Significant digits or significant figures are use as to not be too precise of an actual calculated measure.
Long decimal numbers location like 3.45 * sqrt of 3 gives 5.975575286112627.
That number is too precise.

Rounding it to 5.98 shows an exact closeness to the precision of the measure.
7 0
3 years ago
PLEASE HELP ME ASAP: Some students are using samples of different substances for a lab investigation. They plan to observe the p
marin [14]

Answer: S,Fe,O2,Sr, and Al

Explanation: I saw it on quizlet

3 0
3 years ago
think about the lab procedure you just read. Label each factor below V for variable or C for constant.
pishuonlain [190]

V)  the amount of sugar in the solution

 C) whether the sugar is stirred

 V)  the temperature of the solution

 C)  the type of solute added

 C)  the type of solvent used

NP.

5 0
3 years ago
Read 2 more answers
For each of the salts below, match the salts that can be compared directly, using Ksp values, to estimate solubilities.
Anni [7]

Answer:

1 - Salts required  that can be compared directly, using Ksp values, to estimate solubilities for copper (II) sulfide are - CaSO_3 (Option b) ,BaCrO_4 (Option c) and CaS (Option d)

2 - Salts  that can be compared directly, using Ksp values, to estimate solubilities for zinc hydroxide are - Mg(OH)_2 (Option a)

Explanation:

K_s_p values can be used to compare the solubility of salts that produce ions in a 1:1 ratio.

  1. CuS {copper (II)sulfide} dissociates with ions in ratio 1:1 .

Because the salts CaSO_3 , BaCrO_4 and CaS  have a 1:1 ion ratio, the solubilities of options b, c, and d can be compared to salt 1.

K_s_p Values can be used to compare the solubility of salts that produce ions in a 1:2 or 2:1 ratio.

  2. Zn(OH)_2 dissociates into ions in ratio 1:2 .

Because the ions in the salt Mg(OH)_2 are in a 1:2 ratio, the solubility of salt 2 can be compared to that of salt 'a'.

Hence , Salt 1 is matched with options b , c , d.

              Salt 2 is matched with option a.

4 0
3 years ago
Which one is it ????
lianna [129]
Cells can generate from non living matter is the answer
3 0
3 years ago
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