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lys-0071 [83]
2 years ago
11

How do this I’m in school really don’t know what to do

Chemistry
1 answer:
avanturin [10]2 years ago
4 0

Answer:

you gotta rotate it 90 degrees and get that screen fixed

Explanation:

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Copy and complete the following concept map on chemical Reactions
ExtremeBDS [4]
Can you attach the following concept map on chemical reactions?
5 0
3 years ago
A 0.288 g sample of an unknown monoprotic acid is dissolved in water and titrated with a 0.115 M NaOH solution. After the additi
Sholpan [36]

Answer:

74.0 g/mol

Explanation:

Step 1: Write the generic neutralization reaction

HA + NaOH ⇒ NaA + H₂O

Step 2: Calculate the reacting moles of NaOH

At the equivalence point, 33.83 mL of 0.115 M NaOH react.

0.03383 L × 0.115 mol/L = 3.89 × 10⁻³ mol

Step 3: Calculate the moles of HA that completely react with 3.89 × 10⁻³ moles of NaOH

The molar ratio of HA to NaOH is 1:1. The reacting moles of HA is 1/1 × 3.89 × 10⁻³ mol = 3.89 × 10⁻³ mol.

Step 4: Calculate the molar mass of the acid

3.89 × 10⁻³ moles of HA have a mass of 0.288 g.

M = 0.288 g / 3.89 × 10⁻³ mol = 74.0 g/mol

4 0
3 years ago
You are working the grill at a restaurant and are having trouble getting the grill lit through electrical means. You light a mat
never [62]

Answer:

in this situation I would a little bold

Explanation:

first I don't know what extinguisher I would use pretty much any that helps with fires. I'll back people up, take the hood and put it on the small fire that way it will light out more and if I open the hood and there still a little fire I would use the extinguisher and no one gets hurt :)

6 0
3 years ago
You burn a log on a fire. You use fire to warm yourself and help you see to read a book. What energy transformation is taking pl
Vinvika [58]

Answer:

heat energy to keep you warm and light energy to be able to read your book

Explanation:

5 0
3 years ago
Which explains the change in ionization energy that occurs between removing the first and second electron from an Atom
Mars2501 [29]
 The ionization energy increases because the ratio of the protons to electrons increases. It is quantitatively expressed in symbols as X + energy → X+ + e−.
8 0
3 years ago
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