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
KonstantinChe [14]
3 years ago
7

A 250.0 gram block is placed on a balance. The balance measures the mass of the block as 243.9 grams. What is the percent error

of the block
Chemistry
2 answers:
alexira [117]3 years ago
8 0

Answer:I don’t know

Explanation:

Help me

adell [148]3 years ago
7 0
To compute the percent error, you divide the absolute difference between the actual value and the measured value with the actual value. Then, multiply it with 100 to get the percentage. The solution is as follows:

Percent error = (250 - 243.9)/250 * 100
Percent error = 2.44%
You might be interested in
Which of the following steps should be used when applying Hess Law?
ruslelena [56]

There are actually 5 skills in applying Hess’ Law. According to science.uwaterloo and chem.libretexts.org these are the 5 skills.

- changing the enthalpy of the reaction whenever the equation changes

- interpreting the Hess’ Law

- applying the principle of conservation of energy to solve the problem

- sketching an energy diagram for any related reactions

<span>- and lastly using the diagram to explain the Hess’ Law.</span>

7 0
3 years ago
Look at the balanced equation below:
Crazy boy [7]

Answer:

11.5moles of oxygen gas

Explanation:

The reaction equation is shown below;

     C₂H₆O  + 3O₂ → 2CO₂  +  3H₂O

 We were given  11.5moles of H₂O produced;

Since the equation is balanced;

          3 mole of oxygen gas was used to produce 3 mole of water

        11.5 moles of water will be produced \frac{11.5 x 3}{3}   = 11.5moles of oxygen gas

6 0
3 years ago
How to write a chemical formula ?​
Kaylis [27]

Answer:

To write a chemical equation, the reactants should be written on the left, and the products should be written on the right and the coefficients should be written next to the symbols of entities to indicate the number of moles of a substance produced used in the chemical reaction.

8 0
2 years ago
Read 2 more answers
I don't know witch part is the front and which part is the back
liraira [26]
First go lips, then teeth/gums, then tongue
4 0
3 years ago
What is the molar concentration (molarity) of 1.0 mol of KCl dissolved in 750 mL of
Nikolay [14]

Answer:

Molarity is moles per liter. You have one mole in 0.750 liters

Explanation:

8 0
3 years ago
Other questions:
  • Calculate the volume of mercury with a density of 14.6 g/mL and a mass of 1.00 g. Please include a numeric value only with signi
    13·1 answer
  • What is the orbital diagram for fluorine?
    11·1 answer
  • For the following reaction, identify the element that was oxidized, the element that was reduced, and the oxidizing agent.
    14·2 answers
  • For a reaction 2A (aq) + BC (aq) = AB (s) + AC (l), the order of reaction with respect to A is 2 and the overall order of reacti
    7·1 answer
  • Where is pollen produced
    6·2 answers
  • The melting point of a substance is a ________ property of the substance
    14·1 answer
  • Water flowing at 0.040 m3/s in a 0.12 m dia pipe encounters asudden contraction to a 0.06 m diameter, as illustrated. Determinet
    9·1 answer
  • What temperature must be maintained to ensure that a 1.00 L flask containing 0.0400 mol of oxygen will show a continuous pressur
    14·1 answer
  • Once water reach its boiling point what does you notice about its temperature??​
    13·1 answer
  • Urgentttt help will be much appreciated
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!