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
Viefleur [7K]
3 years ago
9

A group of scientists followed a set of steps designed to detect metals found in different sources of drinking water. The steps

are shown out of order. Arrange the steps so that they correctly describe the investigation as the scientists should have performed it.
Conclude which, if any, of the
water samples have unsafe
levels of metal.

Measure the amounts of metals
in each sample and record the
amounts in a table.

Predict whether or not water
sources near a manufacturing
plant are contaminated.

Collect the water samples.
Chemistry
1 answer:
Allushta [10]3 years ago
5 0

Answer:

1.Predict whether or not water

sources near a manufacturing

plant are contaminated

2.Collect the water samples

3.Measure the amounts of metals

in each sample and record the

amounts in a table.

4.Conclude which, if any, of the

water samples have unsafe

levels of metal.

You might be interested in
Based on the graph of US population and steel consumption, what could have led to the increase in steel consumption seen
polet [3.4K]

Answer:

A. Whenever the population has increased, steel consumption has increased as well.

Explanation:

Based on the graph of US population and steel consumption, what could have led to the increase in steel consumption seen  on the graph is that whenever the population has increased, steel consumption has increased as well.

A critical look at the graph, you will discover that the population and the steel consumption are moving upwards (i.e they are increasing). It's seen that as the population increases, steel consumption increases. This is true because as the population increases, people are building houses, more transportation systems that require steel are being manufactured, more household utensils that are steel products are being fabricated etc; therefore the consumption of steel increases.

6 0
3 years ago
What is the reaction quotient, Q, for this system when [N2] = 2.00 M, [H2] = 2.00 M, and [NH3] = 1.00 M at 472°C?
cupoosta [38]

Answer : The value of reaction quotient, Q is 0.0625.

Solution : Given,

Concentration of N_2 = 2.00 M

Concentration of H_2 = 2.00 M

Concentration of NH_3 = 1.00 M

Reaction quotient : It is defined as a concentration of a chemical species involved in the chemical reaction.

The balanced equilibrium reaction is,

N_2+3H_2\rightleftharpoons 2NH_3

The expression of reaction quotient for this reaction is,

Q=\frac{[Product]^p}{[Reactant]^r}\\Q=\frac{[NH_3]^2}{[N_2]^1[H_2]^3}

Now put all the given values in this expression, we get

Q=\frac{(1.00)^2}{(2.00)^1(2.00)^3}=0.0625

Therefore, the value of reaction quotient, Q is 0.0625.

3 0
3 years ago
5. Which are physical properties of a property of Aluminum metal?
4vir4ik [10]

Answer:

Aluminum is a shiny, silvery white colored metal that is light in weight and strong. Th density of aluminum is 2.7 g/mL, which means the metal will sink in water, but is still relatively light

Hope this helps (:

Mark me brainliest if its good for you :D take care.

8 0
3 years ago
Which of the following is true? Covalent bonds are strong intermolecular forces. Covalent bonds are weak intramolecular forces.
tatuchka [14]

Answer:

They are strong intermolecular forces

Explanation:

Covalent forces are very strong intermolecular forces. In fact, we can say they are the strongest. This is because several big and giant molecules have covalent bonds holding their molecules together. A good example of this is the buckministerfullerence molecule which contains carbon atom to the order of 60 carbon atoms. It is a very giant molecule and it is covalent bond that is holding the molecules together

The strongest substance in the world is diamond. It is so strong that no other substance can cut it asides another diamond. As strong as it is, the molecule is held together by very strong intermolecular forces of covalent bonds which confers the strength it has on it

6 0
3 years ago
Read 2 more answers
Which of the following are correct for zero-order reactions?
GREYUIT [131]

Answer:

The answer is "Choice A and Choice B"

Explanation:

The Zero-Order reactions are usually found if a substrate, like a surface or even a catalyst, is penetrated also by reactants. Its success rate doesn't depend mostly on the amounts of the various reaction in this reaction.

Let the Rate = k

As \frac{dx}{dt} \ rate\ \  K_0 doesn't depend on reaction rate, a higher reaction rate does not intensify the reaction.

By the rate k_0 =\frac{dx}{dt}, the created based and the reaction rate is about the same.

5 0
3 years ago
Other questions:
  • How many moles of mgs2o3 are in 193 g of the compound?
    14·1 answer
  • What changes rock inside earth
    11·2 answers
  • Please answer!! I WILL GIVE EXTRA POINTS AND BRAINLIEST
    6·2 answers
  • Use Table 1 below to answer the following question: Scientists find a piece of wood that is thought to be from an ancient fire c
    15·1 answer
  • Neap tides, relatively weak tides, occur when the Moon is in position(s)
    8·2 answers
  • Stop reporting my stuff Ezekiel333
    6·1 answer
  • The photo shows an old-fashloned mercury thermometer. Mercury is a liquid metal that expands when It Is heated. Mercury Narrow t
    9·2 answers
  • Select the correct answer. Which notation is used to represent gamma decay?​
    6·1 answer
  • Why is unit of pressure called a derived unit ?? 2) how do you measure the volume of milk?<br>​
    9·1 answer
  • Convert 1.500 L to cm3. To the correct number of significant figures.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!