NF 3

The portion between two successive flow lines is known as __________.

• Pipe channel

• Flow channel

• Open channel

• Field channel

Tags

NGSS.HS-ESS2-5

Based on the flownet as shown above, what is X and Y

• X = flow lines

• Y = flow lines

• X= equipotential lines

• Y = equipotential lines

The figure below shows a flownet drawn below the concrete dam. Determine the Nf and Nd from the flownet.

• Nf = 4 , Nd = 9

• Nf = 5 , Nd = 11

• Nf = 5 , Nd = 10

• Nf = 4 , Nd = 10

What is the chemical formula for nitrogen trifluoride?

Which of the following is a property of nitrogen trifluoride?

• Colorless gas

• Highly flammable

• Liquid at room temperature

• Metallic solid

What is the molecular geometry of nitrogen trifluoride?

• Trigonal pyramidal

• Linear

• Tetrahedral

• Bent

What is the primary use of nitrogen trifluoride in industry?

• Semiconductor manufacturing

• Fertilizer production

• Food preservation

• Textile dyeing

Which element is more electronegative in nitrogen trifluoride?

• Fluorine

• Nitrogen

• Both have the same electronegativity

• Neither is electronegative

• Polar covalent

• Ionic

• Non-polar covalent

• Metallic

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the molar mass of nitrogen trifluoride?

• 71 g/mol

• 54 g/mol

• 88 g/mol

• 102 g/mol