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creativ13 [48]
3 years ago
7

What wave has the longer wavelength

Chemistry
1 answer:
natima [27]3 years ago
8 0

The wavelength is the distance between one crest/trough to another crest/trough. On the image, it's basically the length between each peak of the wave. You can see that the distance between peaks in wave A are much shorter than the distance between the peaks in wave B.

Thus, wave B has the longer wavelength.

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mash [69]

Compressibility - B

Flammability - A

Heat of Combustion - D

Reactivity - C

7 0
3 years ago
If the symbol X represents a central atom, Y represents outer atoms, and Z represents lone pairs on the central atom, the struct
Nadya [2.5K]
 <span>XY4Z2-->Square planar (Electron domain geometry: Octahedral) sp3d2 
XY4Z-->Seesaw (Electron domain geometry: Trigonal bipyramidal) sp3d 
XY5Z-->Square pyramidal (Electron domain geometry: Octahedral) sp3d2 
XY2Z3-->Linear (Electron domain geometry: Trigonal bipyramidal) sp3d 
XY2Z-->Bent (Electron domain geometry: Trigonal planar) sp2 
XY3Z-->Trigonal pyramidal (Electron domain geometry: Tetrahedral) sp3 
XY2Z2-->Linear (Electron domain geometry: Tetrahedral) sp3 
XY3Z2-->T shaped (Electron domain geometry: Trigonal bipryamidal) sp3d 
XY2-->Linear (Electron domain geometry: Linear) sp 
XY3 Trigonal planar (Electron geometry: Trigonal planar) sp2 
XY4-->Tetrahedral (Electron domain geometry: tetrahedral) sp3 
XY5-->Trigonal bipyramidal (Electron domain geometry: Trigonal bipyramidal) sp3d 
XY6-->Octahedral (Electron domain geometry: Octahedral) sp3d2</span>
7 0
4 years ago
Read 2 more answers
Determine the concentration of a solution of sodium hydroxide (NaOH) using a 0.500M Potassium Hydrogen Phthalate (KHP) standard
Svetradugi [14.3K]

Answer:

0.425M NaOH assuming the volume of KHP was 25.50mL and the volume of the NaOH solution was 30.0mL

Explanation:

The KHP reacts with NaOH as follows:

KHP + NaOH → KNaP + H₂O

<em>Where 1 mole of KHP reacts per mole of KNaP</em>

<em />

That means, the moles of KHP added to the NaOH solution = Moles NaOH at equivalence point. With the moles of NaOH and the volume in liters we can find the molar concentration of NaOH.

<em>Assuming the volume added of KHP was 25.50mL and the solution of NaOH contains 30.0mL (0.0300L), the concentration of the NaOH is:</em>

<em />

<em>Moles KHP = Moles NaOH:</em>

25.50mL = 0.02550L * (0.500mol / L) = 0.01275 moles KHP = Moles NaOH

<em>Molarity NaOH:</em>

0.01275 moles NaOH / 0.0300L =

<h3>0.425M NaOH assuming the volume of KHP was 25.50mL and the volume of the NaOH solution was 30.0mL</h3>
7 0
3 years ago
Four chemical compounds labeled from A to D. Compound A is CH3NH2. Compound B is CH3SH. Compound C is CH3CH2CHO with an O atom d
Alex Ar [27]

Answer:

Compound D is CH3OPO3 is the best answer

Explanation:

4 0
3 years ago
How many grams of calcium carbonate were used if you drew the periodic table on the sidewalk using
german

Based on the data provided, there are 25 g of calcium carbonate in 1.505 × 10^23 atoms.

<h3>What is the moles of calcium carbonate in 1.505 × 10^23 atoms of calcium carbonate?</h3>

The mole of a substance can be calculated as follows:

  • Moles of substance = number of particles/6.02 × 10^23

Moles of calcium carbonate = 1.505 × 10^23/6.02 × 10^23

Moles of calcium carbonate = 0.25 moles

The mass of calcium carbonate in 0.25 moles is calculated as follows:

  • mass = moles × molar mass

molar mass of a calcium carbonate = 100 g/mol

mass of calcium carbonate = 0.25 × 100 = 25 g.

Therefore, there are 25 g of calcium carbonate in 1.505 × 10^23 atoms.

Learn more about molar mass and mass at: brainly.com/question/15476873

8 0
2 years ago
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