The volume of a helium balloon is 2.6 L. What is this volume in cmL 1dm3)26. cm2.6 x 103 cm30.26 cm2.6 x 102 cm32.6 x 104 cm
Answers
Simply, multiply 2.6 by 1000 and we get 2600 cm. Converting this to scientific notation, we get the answer:
2.6 x 10^3 cm3
Final answer:
The volume of a 2.6L helium balloon, when converted to cubic centimeters or milliliters, is equal to 2,600 cm^3 or 2,600 mL. This conversion was done using the fact that 1 liter is equal to 1,000 cm^3 (or mL).
Explanation:
The volume of a helium balloon provided is 2.6 liters (L). Volumes are often converted between different units for various scientific calculations. In this case, you want to convert from liters to cubic centimeters (cm^3 or mL). The conversion factor is 1 L = 1,000 cm^3 (or mL). To convert, you simply multiply the volume in liters by 1,000.
So, 2.6 liters * 1,000 cm^3/L = 2,600 cm^3. Thus, the volume of the helium balloon is 2,600 cm^3 or 2,600 mL.
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Based on the diagram, which of these inferences is most likely correct?
A.Layer A is older than Layer B.
B.Layer C is older than Layer E.
C.Layer F is younger than Layer D.
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Answers
A and B are parallel horizontal layers at the top of the diagram;
C, D, E, F, and G are slanted layers with C closest to the surface and G at the bottom.
The inference that is most likely correct is that (C) Layer F is younger than Layer D.
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Answer: because they make there hypothesis before they actually get the facts.
Explanation:
Answers
Answer:
0.88g
Explanation:
The reaction equation:
2NaI + Cl₂ → 2NaCl + I₂
Given parameters:
Mass of Sodium iodide = 2.29g
Unknown:
Mass of NaCl = ?
Solution:
To solve this problem, we work from the known to the unknown.
First find the number of NaI from the mass given;
Number of moles =
Molar mass of NaI = 23 + 126.9 = 149.9g/mol
Now insert the parameters and solve;
Number of moles = = 0.015mol
So;
From the balanced reaction equation;
2 moles of NaI produced 2 moles of NaCl
0.015mole of NaI will produce 0.015mole of NaCl
Therefore;
Mass = number of moles x molar mass
Molar mass of NaCl = 23 + 35.5 = 58.5g/mol
Now;
Mass of NaCl = 0.015 x 58.5 = 0.88g
Answers
Chemists have identified 118 elements. These elements have been organized by their size and property into a chart called the periodic table. All matter is created from these elements which include solid, liquid, and gas. Some elements naturally combine into compounds.