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Evgen [1.6K]
3 years ago
6

Using the formula for velocity shown below, what is the average velocity of a car that traveled 100 miles south of where it bega

n for a duration of 2 hours?
50 mph south

50 mph north

200 mph south

200 mph north

Chemistry
1 answer:
Ivanshal [37]3 years ago
7 0

Answer:

200 mph north

Explanation:

So to answer your question, when traveling at a constant velocity of 100 mph, it will take 36 seconds to travel one mile.

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Acidified water is electrolysed by using carbon electrodes. What is produced
kotegsom [21]

Answer:

Hydrogen gas

Explanation:

During electrolysis of acidified water, H+ ions are reduced to H2 gas at the negative carbon electrode (cathode) and hence hydrogen gas is liberated at cathode.

5 0
3 years ago
For every 1lb you lose do to sweating you should consume ___ oz of water.
sdas [7]

Answer:

For every pound lost, replace it with 16 to 20 ounces of fluid

4 0
3 years ago
How many grams of oxygen are produced when 1.05 moles of hydrogen gas is<br> produced?
vivado [14]

Answer:

1.058337 grams of hydrogen and 2H2 + O2 ==> 2H2O hydrogen peroxide

mols H2 = grams/molar mass

Using the coefficients in the balanced equation, convert mols H2 to mols O2.

Now convert mols O2 to grams. That's grams mols O2 x molar mass O2.

and it could also produce H2O water but no air but it could make other things

8 0
2 years ago
Sodium metal is quiet soft whereas sodium chloride crystals are quiet hard explain why
stiks02 [169]
In mineralogy and crystallography, a crystal structure<span>is a unique arrangement of atoms in a </span>crystal. Acrystal structure<span> is composed of a unit cell, a set of atoms arranged in a particular way; which is periodically repeated in three dimensions on a lattice.
Crystals create a harder more fitting structure so they tend to be a lot stronger than other compounds or elements</span>
8 0
3 years ago
What is the volume of an object with a density of 2.6 g/cm³ and a mass of 30.5g?
inessss [21]

Answer:

The answer is

<h2>11.73 mL</h2>

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

volume =  \frac{mass}{density}

From the question

mass of object = 30.5 g

Density = 2.6 g/cm³

The volume is

volume =  \frac{30.5}{2.6}  \\  = 11.7307692...

We have the final answer as

<h3>11.73 mL</h3>

Hope this helps you

5 0
3 years ago
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