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
balandron [24]
3 years ago
12

To compare how different types of soil absorbed water, Christian set up an experiment. He poked equal numbers and sizes of holes

into the bottoms of three plastic cups. He filled one cup with sand, one with potting soil, and left one empty. He placed each cup in a stand over a beaker. Christian poured 400 mL (milliliters) of water into each of the cups. He then measured the amount of water collected in the beakers beneath each cup at 1 minute intervals for 3 minutes. What is the control in this experiment? Group of answer choices
Chemistry
1 answer:
lilavasa [31]3 years ago
3 0

Answer:

The empty cup

Explanation:

Got it right on the test

You might be interested in
Calculate 4 Srxn for this equation. Round to the
masya89 [10]

Answer:

On edge nuity, it is 79.

Explanation:

Please read the explanation.

Since u have no coefficients, this problem is super easy.

You just add your products, 115.5+69.91 = 185.41

Then add your reactants: 49.8+56.5= 106.3

Then subtract your reactants from your product and round to the nearest whole number.

106.3-185.41=79

It's really easy. Once u understand it, you can do any problem like this. If there is coefficients, just multiply the coefficient by the amount given to you in the problem.

7 0
2 years ago
True or false if an object displaces 50 ml of water the object's volume is 50mL
andrew11 [14]

Answer:

True

Explanation:

The volume of water displaced by an object completely submerged is its actual volume. It implies that in the container the object create a space of size for itself which is the volume of the object. This approach is used in calculating the density of many irregular solids from their measured masses.

6 0
3 years ago
What is litmus paper used for? To indicate if all the reactants have been used up to determine if a chemical reaction has occurr
rjkz [21]
The main use of litmus is to test whether a solution is acidic or basic. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F).
8 0
3 years ago
Name 2 separate technique in separating iodine crystal and iron filings​
KonstantinChe [14]

One is through sublimation, where the mixture is heated and iodine gets converted into gaseous form, leaving behind the iron fillings.

The other is to get a magnet near the mixture and all the iron fillings get attracted to it while iodine will be left over

5 0
3 years ago
During autumn, days grow colder. What happens to the nights?
Rus_ich [418]

Answer:

I thinks its they grow longer explaination: I have a massive brain

7 0
2 years ago
Read 2 more answers
Other questions:
  • A graduated cylinder is filled to 15.6 mL with water and a piece of granite is placed in the cylinder,displacing the level to 17
    15·2 answers
  • Are normal salts acidic, basic or neutral salt?
    14·1 answer
  • The amount of atomic particles released by a radioactive material in a specific time is determined by
    10·2 answers
  • Help ASAP,
    12·1 answer
  • A tow truck uses a force of 100 N to pull a car 10 meters. How much work was done?
    5·2 answers
  • Consider the fructose-1,6-bisphosphatase reaction. Calculate the free energy change if the ratio of the concentrations of the pr
    15·1 answer
  • A car is traveling with an initial velocity of 15 m/s when the driver decides to go faster by accelerating at 5 m/s2 for 10 seco
    8·1 answer
  • The value of ΔH° for the reaction below is -6535 kJ. ________ kJ of heat are released in the combustion of 16.0 g of C6H6 (l)?
    14·1 answer
  • What volume (in liters) does 3.91<br> moles of nitrogen gas at 5.35 atm<br> and 323 K occupy
    14·1 answer
  • 1.From the pictures above,which shows a higher temperature?why?<br>2.which has more heat?why?​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!