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4 years ago

a flight stimulator that helps astronauts prepare for a shuttle launch is an example of a (an) ______.

Chemistry

2 answers:

Elis [28]4 years ago

7 0

<h2>Answer: </h2>

A flight simulator that helps astronauts prepare for a shuttle launch is an example of a(an) _____<u>_Scientific model_</u>______.

<h3>Explanation: </h3>

Simulators are models which are designed to manipulate the original thing/object.

For example the simulator of jet. Hence a flight simulator is also a scientific model containing all the conditions which are in space.

Dimas [21]4 years ago

3 0

A flight simulator that helps astronauts prepare for a shuttle launch is an example of a Scientific Model.

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Which element in the image will turn into extrusive igneous rock?

s2008m [1.1K]

Magma, if it's the picture I know of then it would be "C"

5 0

4 years ago

Based on your knowledge of intermolecular forces, which of the following would you expect to have the highest boiling point? hex

12345 [234]

Answer:
Hexanol has the highest boiling point.

Explanation:
Boiling points of all give compounds are as follow,

Hexanol   = 157 °C

Hexanal = 129 °C

Hexanone = 128 °C

Hexane =   68 °C

Types of Interactions found in these compounds are,

Hexanol   = Hydrogen Bonding & London Dispersion Forces

Hexanal   = Dipole-Dipole Interactions & London Dispersion Forces

Hexanone = Dipole-Dipole Interactions & London Dispersion       Forces

Hexane =   Only London Dispersion Forces

Strength of Intermolecular Forces:
Hydrogen forces are stronger than Dipole-Dipole Interactions, and Dipole-Dipole Interactions are stronger than London Dispersion Forces.

Result:
Hence, due to presence of strong Hydrogen Bond Interactions Hexanol has the highest Boiling Point.

8 0

3 years ago

Read 2 more answers

Sterling silver contains silver and copper metals. if a sterling silver chain contains 17.6g of silver and 2.40g of copper, what

Bogdan [553]

Answer:- 0.88

Solution:- Masses of silver and copper metals are given and we are asked to calculate the percentage of silver in the alloy.

mass percent of Ag = $(\frac{mass of Ag}{mass of alloy})*100$

Mass of Ag = 17.6 g

mass of Cu = 2.40 g

mass of alloy = 17.6 g + 2.40 g = 20.0 g

Let's plug in the values in the formula:

mass percentage of Ag = $(\frac{17.6}{20.0})*100$

mass percentage of Ag = 88%

So, the mass percentage of silver in sterling silver is 88% and in decimal form it is 0.88.

7 0

3 years ago

Using the reaction mixture in Problem 1, a student found that it took 230 seconds for the color of the I2 to disappear.

MakcuM [25]

The reaction mixture of problem 1 includes <span>10mL of 4.0 M acetone = 10 mL 1.0 M HCl = 10 mL 0.0050 M I2 = 20 mL H2O. if this is true then the procedure is the following:

In order to find the total volume of reaction then you need to do like this:
</span><span>V = 10 mL + 10 mL + 10 mL + 20 mL = 50 mL </span>
<span>[I2]o = (0.005 mol I2 / 1 L I2 solution) (10 mL I2 solution) / 50 mL = 0.001 M </span>
<span>To first order, the reaction rate is 0.001 M / 230 s = 4,3 e-6 M/s
Then if you want to find the rate yoe need to use the following formula:
</span><span> k [CO(CH3)2]^a [I2]^b [HCl]^c
</span>So: <span>4,3 e-6 = k (4 M * 10 mL / 50 mL)^a (1e-3 M)^b (1 M * 10 mL / 50 mL)^c

</span>

6 0

4 years ago

What atomic or hybrid orbitals make up the sigma bond between c2 and c3 in propyne, chcch3 ? (c2 is the second carbon in the str

Anvisha [2.4K]

Answer:

$\boxed{\text{$\sigma$(sp-sp$^{3}$); 180$^{\circ}$}}$

Explanation:

(a) Hybridization of orbitals

See the Lewis structure of propyne in the first diagram below.

C1 is directly bonded to two other atoms (H and C2) so it is sp hybridized.

C2 is directly bonded to two other atoms (C1 and C3) so it is sp hybridized.

C3 is directly bonded to four other atoms (C2 and 3 H) so it is sp³ hybridized.

(b) C2-C3 Sigma Bond

See the atomic and molecular orbitals in the second picture below.

C3 is using its hybrid atomic orbitals to form sigma molecular bonds. The C2-C3 sigma bond is formed by the overlap of the C2 sp atomic orbital with the C3 sp³ atomic orbital to make a σ(sp-sp³) molecular orbital.

C1 and C2 are sp hybridized. Since the angle between sp orbitals is 180°, all atoms directly attached the C1 and C2 must be in a straight line. The C-C-C bond angle is 180°.

4 0

3 years ago