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
kupik [55]
3 years ago
8

I just don’t know what to do

Chemistry
1 answer:
ValentinkaMS [17]3 years ago
3 0

Answer:

I dont know if this is correct.. but maybe in the tool row, put graduated cylinder because you use graduated cylinders to measure water and for units put milliliters or liters?? Sorry if this isnt correct i wouldnt know what else to put !

Explanation:

You might be interested in
How does the average temperature change as the latitude decreases from the poles to the equator
igor_vitrenko [27]

As the earth is in the form of a sphere, the angle of incidence of the sun's rays at the earth's surface increases from the equator towards the poles and therefore the amount of heat received on a GIVEN AREA diminishes in the same direction. Temperature is therefore normally hottest near the equator and coolest near the poles.

4 0
3 years ago
a student needs to use 0.575 moles of sodium chloride in an experiment. How many grams should he mass out?
Bad White [126]

The molecular weight of NaCl is 58.44 g/mol.  

0.575 mol * 58.44 g/mol = 33.6 grams of NaCl

5 0
3 years ago
RATE LAW QUESTION !
vivado [14]
In general, we have this rate law express.:

\mathrm{Rate} = k \cdot [A]^x [B]^y
we need to find x and y

ignore the given overall chemical reaction equation as we only preduct rate law from mechanism (not given to us).

then we go to compare two experiments in which only one concentration is changed

compare experiments 1 and 4 to find the effect of changing [B]
divide the larger [B] (experiment 4)  by the smaller [B] (experiment 1) and call it Δ[B]

Δ[B]= 0.3 / 0.1 = 3

now divide experiment 4 by experient 1 for the given reaction rates, calling it ΔRate:

ΔRate = 1.7 × 10⁻⁵ / 5.5 × 10⁻⁶ = 34/11 = 3.090909...

solve for y in the equation \Delta \mathrm{Rate} = \Delta [B]^y

3.09 = (3)^y \implies y \approx 1

To this point, \mathrm{Rate} = k \cdot [A]^x [B]^1

do the same to find x.
choose two experiments in which only the concentration of B is unchanged:

Dividing experiment 3 by experiment 2:
Δ[A] = 0.4 / 0.2 = 2
ΔRate = 8.8 × 10⁻⁵ / 2.2 × 10⁻⁵ = 4

solve for x for \Delta \mathrm{Rate} = \Delta [A]^x

4=  (2)^x \implies x = 2

the rate law is

Rate = k·[A]²[B]
6 0
3 years ago
How many dots would go around xenon in electron dot diagram
ratelena [41]

Answer:

8

Explanation:

Since Xe (xenon) is a noble gas, it has 8 valence electrons. It's outer shell is full and it is a stable element and doesn't like to react. Therefore, since the electron dot diagram is about valence electrons, 8 would be your answer.

4 0
3 years ago
The age of the solar system is estimated by the dating of rocks?
olganol [36]
Yes they break down what they are made of and figure it out.
8 0
3 years ago
Other questions:
  • Scientific explanations are not always based on empirical evidence <br><br> True or false?
    15·1 answer
  • Which of the following fits the definition of a mineral? a. oil, because it's a liquid, not a solid b. a lab-grown diamond, beca
    15·1 answer
  • Most water on earth is in which form
    12·2 answers
  • 4.80 mol of solid A was placed in a sealed 1.00-L container and allowed to decompose into gaseous B and C. The concentration of
    5·1 answer
  • How many grams of CO2 are in 2.1 mol of the compound? a) 21.0g c) 66.0g
    6·1 answer
  • The atomic mass of beryllium (Be) is 9.01 amu. The atomic mass of calcium (Ca), which is in the same group as beryllium, is 40.0
    6·2 answers
  • A magnesium ion, Mg2+, is formed from a magnesium atom, Mg.
    5·1 answer
  • The change in velocity over a specific amount of time Includes speeding up. slowing down or changing direction. This is known as
    9·1 answer
  • A similar reaction is used frequently in laboratory experiments as an indicator. Can you guess what that might be?
    13·1 answer
  • 4
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!