1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
zimovet [89]
3 years ago
6

Sally and Juan’s science teacher has challenged her students to build a paper airplane that would stay airborne for ninety secon

ds. The students have two days to design and test their planes. The assignment will end with a "fly-off."
The teacher has given the students the problem. What is the next step in the technological design process?
A) building a model airplane
B) testing the model airplane
C) designing the model airplane
D) doing research on airplane design
Chemistry
1 answer:
denpristay [2]3 years ago
6 0
You would first do research.  (d)

The research part will help you find what ideas worked and what ideas didn't work.
You might be interested in
Which of the following<br> are hydrocarbons? Check all that apply.<br> A.<br> B.<br> C.<br> D.
lutik1710 [3]

Answer:

its B and D

Explanation:

other person is wrong.

3 0
3 years ago
Read 2 more answers
The combining of the nuclei of atoms is know as the nuclear?
aev [14]
It is the nucleus of an atom
4 0
3 years ago
Sodium chloride or table salt is a compound formed when sodium loses its valence electron to chlorine. Which type of bond format
avanturin [10]

When Sodium chloride or table salt is a compound formed when sodium loses its valence electron to chlorine, the type of bond formation that takes place in sodium chloride is the Lewis Bond.

8 0
3 years ago
Read 2 more answers
lassify these bonds as ionic, polar covalent, or nonpolar covalent. Ionic Polar covalent Nonpolar covalent
jarptica [38.1K]

The question is incomplete, complete question is:

Classify these bonds as ionic, polar covalent, or nonpolar covalent.

Na-F

P-Cl

Cl-Cl

Answer:

Na-F  : The bond present is ionic bond.

PCl  : The bond present is polar covalent bond.

ClCl  : The bond present is non polar covalent bond.

Explanation:

1) Ionic bonds are defined as the bonds which are formed by the complete transfer of electrons from cation (positively charged ions) to anion (negatively charged ions). For Example: NaCl, BaSO_4 etc.

Ionic compound :This compound is formed when difference in electronegativity between the atoms is very large.

2) Covalent bond is defined as the bond which is formed by the sharing of electrons between the atoms. For Example: HCl, CH_4 etc.

Polar covalent compound: This compound is formed when difference in electronegativity between the atoms is present. When atoms of different elements combine, it results in the formation of polar covalent bond. For Example: CO_2,NO_2 etc..

Non-polar covalent compound: This compound is formed when there is no difference in electronegativity between the atoms. When atoms of the same element combine, it results in the formation of non-polar covalent bond. For Example: N_2,O_2 etc.

Na-F  : Two different atoms with high electronegativity difference

Ionic compound because sodium is metal and fluorine is non metal and the difference between their electronegativity is very large.The bond present is ionic bond.

PCl  : Two different atoms with low electronegativity difference

Polar covalent  compound because phosphorus and fluorine both are non metal and the difference between their electronegativity is not very large.The bond present is polar covalent bond.

ClCl  : Two same atoms with nil electronegativity difference.

Non Polar covalent compound because both are chlorine atom (non metal) and the difference between their electronegativity is zero.The bond present is non polar covalent bond.

5 0
3 years ago
If 50. 75 g of a gas occupies 10. 0 l at stp, 129. 3 g of the gas will occupy ________ l at stp.
NeX [460]

22.4L

of any gas contains 1 mol of that gas.

50.75g/10L*22.4L/1 mol= 113.68g/mol- this is the mole weight of your gas

1 mol/113.68g*129.3g=1.137403 mol

Set up a ratio

1.137403mol/x L=1 mol/22.4 L

X=25.477827L, or with sig figs, x=25.5L

8 0
2 years ago
Other questions:
  • True or False the molecule CCl4 contains one double bond and three single bonds.
    15·2 answers
  • Explain how gas pressure is measured
    9·2 answers
  • I need help with this too
    8·1 answer
  • How many total atoms are represented by the formula below? 4H2SO4
    7·2 answers
  • Eukaryote:mitosis:: prokaryote:
    9·1 answer
  • A 6.00 g sample of calcium sulfide is found to contain 3.33 g of calcium. what is the percent by mass of sulfur in the compound?
    9·1 answer
  • _____ is not a unit of pressure.
    7·2 answers
  • If the forces acting on an object are unbalanced, what will occur?
    11·1 answer
  • Calculate the density of the rock if its mass is 360 g.
    11·1 answer
  • Consider a hypothetical gas which has the following Van der Waals constants:
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!