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
Ierofanga [76]
4 years ago
7

In an experiment you are asked to react hydrochloric acid with sodium hydroxide. When measuring the volume of the reactants, whi

ch instrument would give the greatest precision?
100 mL Graduated cylinder
250 mL Erlenmeyer flask
100 mL Beaker
200 mL Beaker
Chemistry
2 answers:
soldi70 [24.7K]4 years ago
6 0

Answer:

The answer would be 100 ml graduated cylinder

Explanation:

aleksklad [387]4 years ago
5 0

Answer:

100 mL Graduated cylinder.

Explanation:

The instrument would give the greatest precision is 100 mL Graduated cylinder.

Because it has the smallest diameter and it is graduated every 1.0 mL. so, its error percent is the lowest.

Beaker and Erlenmeyer flask have a greater diameter and their grauation is every 10.0 mL. So, their error % is larger.

You might be interested in
VICHELRING CONCEN<br>1. Water is a<br>molecule.​
zaharov [31]

Explanation:

the first thing you do with your child are in a world of good and good for the first word of life will be the best thing to be the same thing you need for a long 55666666inches to be in the

3 0
4 years ago
imagine you are a particle of air explain your journey in the atmosphere as you beacome a heated particle if you answer it clear
enyata [817]
Well when a particle of air is becomes heated it rises, right? So you could write some like you started off close to the earth (aka the troposphere) until you became heated then you started to rise and as you reached higher elevations you cooled down and you were recycled into cool air and you moved back down and became new fresh cool air until the next time you'll become heated and rise again to be recycled into fresh cool new air.
6 0
3 years ago
What is the number of molecules of 140 g of CO?
kherson [118]

Answer:

3.01

\times

10-22

moles=mass/RMM

moles=140/28

=5moles

1mole=6.02*10-23

5moles=?

=3.01*10-22

hope this is helpful

4 0
3 years ago
Brass is an alloy of copper and zinc. varying the mass per- centages of the two metals produces brasses with different proper- t
EastWind [94]

First step: The mass of zinc in the yellow zinc sample can be calculated with the help of percentage (given) in the sample. After that, mass of copper is determine by the subtracting the mass of zinc from the total mass of zinc in the given sample.

Thus,

Mass of zinc in 34% zinc sample = 185 g yellow zinc \times \frac{34 zinc}{100 yellow zinc}

= 62.9 g zinc

Mass of zinc in 37% zinc sample = 185 g yellow zinc \times \frac{37 zinc}{100 yellow zinc}

= 68.45 g zinc

Now,

mass of copper in 34% zinc sample =185 g -62.9 g

= 122.1 g \simeq 122 g

mass of copper in 37% zinc sample = 185 g -68.45 g

=116.55 g \simeq 117 g

Thus, the range of mass of copper is 117 g to  122 g

Second step:

34% zinc sample consist of 66% copper (100-34= 66%)

37% zinc sample consist of 63% copper (100-37=63%)

Mass of zinc = (46.5 g copper) \times \frac{34 percent zinc}{66 percent copper}

= 23.95 g\simeq 24 g

Mass of zinc  =46.5 g copper \times \frac{37 percent zinc}{63 percent copper}

= 27.30 g\simeq 27g

Thus, the range of mass of zinc is 24 g to  27 g





7 0
4 years ago
When a molecule absorbs IR electromagnetic energy, what are the vibrational modes affected
Temka [501]

Answer:

Stretching vibration, and

Bending vibration (Rocking, wagging, Twisting and Scissoring)

Explanation:

  1. Stretching vibration: this causes change in the length of a bond
  2. Bending vibration: this causes change in the angle between two bonds

Bending vibration can occur as rocking, wagging, twisting and Scissoring vibration

2a) Rocking vibration: this causes change in angle between group of the atoms

2b) Wagging vibration: this causes change in angle between the plane of a group of atoms

2c) Twisting vibration: this causes change in the angle between the planes of two groups of atoms.

2d) Scissoring vibration: this causes the movement of two atoms toward and away from each other

5 0
3 years ago
Other questions:
  • What isapplied in case where the base is not a OH donator
    13·1 answer
  • C + H2O → CO + H2 What substance are we expected to solve for?
    5·1 answer
  • Which chemical change is most likely to involve bubbling or an odor? A. temperature decrease B. color change C. gas production D
    14·1 answer
  • 1. A student needs to make 80mL of a 4.5 x 10^-3 M solution of H_3PO_4 (mm = 98) from solid. Describe how the student would do t
    14·1 answer
  • Can somebody help me please
    13·1 answer
  • If two moles of chlorine gas reacts with potassium iodine, how many grams of potassium chloride are produced?
    5·1 answer
  • What is the molarity of a solution made with 87g of Mgo dissolved in enough water to make
    13·1 answer
  • Distinguish between climate and atmosphere.
    7·1 answer
  • According to Hebrews 11, what did Abraham believe God would do if Isaac was slain as a sacrifice? Please help me I need it for t
    12·1 answer
  • It takes 60 mL of 0.20 M of sodium hydroxide (NaOH) to neutralize 25 mL of carbonic acid (H2CO3) for the following chemical reac
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!