What does the mass of an object depend on?
A. Force of gravity
B. Temperature of the object
C. Time taken of an event to occur
C. Amount of matter that makes up the object

Answers

Answer 1

Answer:

D or the 4th one

Explanation:

mass is literally the measure of matter in an object which is essentially the weight or how much stuff there is.

Answer 2

Answer:

C:)

Explanation:


Related Questions

Why does the flow of science just keep going

Answers

Answer:

The Flow of science keeps going because not everything is fully discovered yet. New things are discovered everyday and are also made better as well.

Explanation:

how many seconds are there in 45 days?

Answers

In 45 days there are 3888000 seconds.

Answer:3,888,000seconds

Explanation:

60secx60minsx24 hoursx45days=3,888,000

Name 2 gram negative bacteria often found in contaminated food

Answers

E. coli and Salmonella spp.

what is the function of spines ? ​

Answers

Answer:

The spine is also designed to protect your spinal cord. The spinal cord is a column of nerves that connects your brain with the rest of your body, allowing you to control your movements. Without a spinal cord, you could not move any part of your body, and your organs could not function.

Craik and Lockhart (1972) proposed the idea that deeper levels of ____ results in stronger retention of memories

A. Rehearsal
B. Multitasking
C. Memory
D. Processing

Answers

Answer: D. Processing

Explanation: 100% on topic test also its in my e notes.

Craik and Lockhart has proposed theory of memory processing. Thus, option D is correct.

Craik and Lockhart proposed the theory for the processing of the level of memory. The memory in humans can be sensory memory, working memory, and long-term memory.

The long term memories have been stored in the deeper cells and the increased or strong stimulation of the processing results in the stronger retention of the memories. Thus, option D is correct.

For more information about the memory processing, refer to the link:

https://brainly.com/question/6249980

1. Write the name meaning

a. 0.1 gram

b. 0.01 meter

c. 0.000001 liter

e. 1000 000 grams.

L. 10 meters

Answers

Answer:

A.. 0.1 gram this means 0.0001kg of the object in SI unit

b. 0.01 meter this means 1 / 10 of 1 meter of the measurement

c. 0.000001 liter this means 1/10000 of the quality of liquid in SI unit

e. 1000 000 grams.this means 1000kg of the object in IS unit

L. 10 meters this means 10 times one meter of the measurement in SI unit

. The freezing point of an aqueous solution containing a nonelectrolyte solute is – 2.79 °C. What is the boiling point of this solution?

Answers

Answer:

Boiling point of the solution is 100.78°C

Explanation:

This is about colligative properties.

First of all, we need to calculate molality from the freezing point depression.

ΔT = Kf . m . i

As the solute is nonelectrolyte, i = 1

0°C - (-2.79°C) = 1.86 °C/m . m . 1

2.79°C / 1.86 m/°C = 1.5 m

Now, we go to the boiling point elevation

ΔT = Kb . m . i

Final T° - 100°C  =  0.52 °C/m . 1.5m . 1

Final T° =  0.52 °C/m . 1.5m . 1  + 100°C → 100.78°C


Soda has a density pf 1.05 g/mL. What is the mass of 2000 mL of soda?
A. 2100 g
B. 1905 g
C. 0.0005259
D. 2005 g

Answers

Answer:

The answer is option A

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

mass = Density × volume

From the question

volume = 2000 mL

density = 1.05 g/mL

The mass of soda is

mass = 2000 × 1.05

We have the final answer as

2100 g

Hope this helps you

Which of these limiting factors is MOST likely to affect low-growing plants in a tropical forest? Group of answer choices air water shelter sunlight

Answers

Answer:

air, water, sunlight

Explanation:

A limiting factor may be defined as a environmental condition or a resource that can limit the plant growth as well as distribution or the abundance of an organism or its population within the ecosystem. The ability  of any plant species to grow and spread throughout any geographic area is the direct result of the adaption to its biotic  and abiotic components of that region.

Some of the factor that affect the plant growth are : sunlight, air, proper temperature, moisture, nutrients, wind,etc.

The lack of the any one of the above essential component will determine the health of the  plant.

The temperature of a container of oxygen gas is increased from 149 k to 298 k which of the following statement is true

Answers

Answer:

______is used in production of hard disk.

Explanation:

5.
2. Which of the following statements
indicates that a new substance is
forming?
a. A liquid is changing to a solid
b. Metal is melting
C. A substance is fizzing or
bubbling
d. A liquid evaporating to a gas

Answers

Answer:

A. A liquid is changing to a solid

hope this helps

A certain ore is 20.7% nickel by mass. How many kilograms of this ore would you need to dig up to have 70.0 g of nickel?

Answers

Answer:

0.3382 kg

Explanation:

From the illustration:

100g of the ore would contain 20.7 g of nickel by mass. In order to obtain 70.0 g of nickel, the amount of the ore needed would be:

          100 x 70.0/20.7 = 338.16 g

According to conversion units:

1 g = 0.001 kg

Hence,

338.16 g = 338.16 x 0.001 = 0.3382 kg

Therefore, 0.3382 kg of the ore would be required in order to obtain 70.0 g of nickel.

Amount of core in Kilogram is 0.338 kg (Approx.)

Given that;

Percentage in every ore = 20.7%

Amount of nickel = 70 gram

Find:

Amount of core in Kilogram

Computation:

Amount of core in Kilogram = Amount of nickel / Percentage in every ore

Amount of core in Kilogram = 70 / 20.7%

Amount of core in Kilogram = 70 / 0.207

Amount of core in Kilogram = 338.16 gram

Amount of core in Kilogram = 0.338 kg (Approx.)

Learn more:

https://brainly.com/question/24179211?referrer=searchResults


Which statement describes the general process of diffusion?
Molecules move from inside of the cell to outside of the cell.
Molecules start out unevenly distributed and end up evenly distributed.
Molecules start out evenly distributed and end up unevenly distributed.
Molecules move from outside of the cell to inside of the cell.

Answers

Answer:

Molecules start out unevenly distributed and end up evenly distributed.

Explanation:

Diffusion is the process by which molecules of a substance move from a region of higher concentration to a region of lower concentration until equilibrium is attained.

Molecules start out unevenly distributed and end up evenly distributed in a particular medium. Diffusion occurs due to the particulate nature of matter. When the particles that make up a substance are concentrated at a point, the collide more often with one another causing each molecule to spread out in order to occupy all the available space.

Diffusion occurs in gases, liquids and solids but occurs fastest in gases. Diffusion can be observed for example, in the spread of the smell of a dead rat from one point in a room to every part of the room.

Answer:

B

Explanation:

:D

Variable definition

Answers

Answer: is factor that change in a controlled experiment

Explanation:

What is an experimental error

Answers

Answer:

Explanation: errors in judgment of an observer when reading the scale of a measuring device to the smallest division. 2. Environmental. For example, unpredictable fluctuations in line voltage, temperature, or mechanical vibrations of equipment.

Use the table to identify the phase and phase changes of the elements under the given conditions. Write the name of the substance, phase, or phase change.

When the temperature in a room increases from
25°C to 33°C,
changes from a solid
to a liquid.
In a lab, methane and nitrogen are cooled from
-170°C to -200°C. The methane freezes and the
nitrogen
.
When gold is heated to 2,856°C it changes from a liquid to a
.

Answers

Answer: gallium, condenses, gas

Explanation: took assignment on edge

Answer: gallium, condenses, gas

Explanation: took assignment on edge

is helium gas a mixture or pure substance

Answers

An element is a pure substance as well, because if we fill up a balloon with just helium gas, it will only contain helium atoms. On the periodic table of elements, helium is element number 2 , and so that should tell you that it's an element of course.

what is the molar mass of CO^2

Answers

Answer:

44.01 g/mol

There you go, hope it helped!!!!!

Convert 78.9 kJ into calories
(can you also explain how pls, ty <3)

Answers

Answer:.1 kJ = 1000 J  and 1J=0.24cal

----->78.9kJ=1000x78.9x0.24=18936cal

Explanation:

This is the unit regulated by the scientific community and they follow the formula that they prove

Describe how the proton, electron and neutron were experimentally discovered.

Answers

The discovery of protons can be attributed to Rutherford. ... Given the discoveries of electrons in 1897 by Thomson, Rutherford and other scientists decided that a positively charged particle must exist to center the electron to create equally neutral atoms. Thomson proposed the name 'positive rays'.

Which image below shows the correct way to convert 0.828 kilometers to meters
Explain the rationale and what happens to the units.

Answers

Answer:

A

Explanation:

Because you need to multiply the length value by 1000

Choose the nonmetallic elements from the list. Check all that apply yttrium: oxygen: boron: polonium: argon: gallium: carbon:

Answers

Answer:

Oxygen, Argon, and Carbon.

Explanation:

Just finished the assignment.

Oxygen ,boron and carbon are the non metallic elements. Thus, options B, C, and G are correct.

What are non metallic elements?

Non-metallic elements are the elements which easily  form negative ions by accepting or gaining electrons and which do not have complete electronic configuration like rare gas. Non metals have high ionization energies and electronegativity.

They are generally poor conductors of heat and electricity. Solid non metals are generally brittle, with little or no metallic lustre.

Most non metals have the ability to gain electrons easily. Non metals display a wide range of chemical properties and reactivities.

In above except oxygen, boron and carbon all other elements are metallic in character  that possess metallic property. Thus, options B, C, and G are correct.

Learn more about non-metallic elements, here:

https://brainly.com/question/948126

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Mixing two clear liquids results in the formation of a whit solid. Is this a physical or chemical change?

Answers

Answer:

Chemical Change

Explanation:

It became white and became solid which makes it a chemical change.

You are concerned about the rate of death in catfish your aquaculture operation in tanks that have a high amount of algae growth. You collect some of the algae and send it to the university to have it identified. You find that it is a blue-green alga called Anabaena. Anabaena is known to be toxic to fish. You design an experiment to test how much of the algae the fish can stand before they die. You obtain 6 large aquariums (all the same size) and fill them with water taken from a healthy catfish pond at your operation. You put each aquarium on the same bench in the laboratory, where the light and temperature values are identical. You let the water stand for one day before starting the experiment. In aquarium 1, you add 2 grams of algae and no fish. In aquarium 2, you add 20 small catfish and no algae. Aquarium 3 gets 20 catfish and 2 grams of algae, #4 gets 20 catfish and 4 grams of algae, #5 gets 20 catfish and 8 grams of algae, and aquarium #6 gets 20 catfish and 16 grams of algae. The aeration rate of each aquarium is identical. You make two observations at the same time each day for two weeks. You keep track of the numbers of fish in each tank that die. What is the problem? What is your hypothesis? What is the independent variable? What is the dependent variable?

Answers

Answer:

Problem: How does the amount of algae (anabaena) affect or cause the number/rate of catfish death

Hypothesis: IF there is a high amount of algae growth, THEN the rate at which catfishes die increases.

Independent variable: Amount in grams of algae

Dependent variable: Number of catfishes that die.

Explanation:

A scientific experiment starts with an observed problem or a question which can be tested. In this experiment, the rate of death of catfish in an aquaculture due to the high amount of algae (anabaena) growth is observed, hence, it is the problem. It will be asked as a question: HOW DOES THE AMOUNT OF ALGAE IN A TANK CAUSE THE RATE AT WHICH CATFISHES DIE.

Formualting an Hypothesis is the next step of a scientific method. Hypothesis is a testable explantation or suggested solution to the observed problem or asked question. A hypothesis of this experiment can be: IF THERE IS A HIGH AMOUNT OF ALGAE GROWTH, THEN THE RATE AT WHICH CATFISH DIE INCREASES.

Next is to test the hypothesis by conducting an experiment. In an experiment, the independent variable is the variable that the experimenter changes or manipulates in order to bring about a response. In this experiment, the independent variable is the AMOUNT IN GRAMS OF ALGAE ADDED TO EACH AQUARIUM.

On the other hand, the dependent variable is the variable being tested or measured in an experiment. In this experiment, the dependent variable is the NUMBER OF CATFISH THAT DIE.

What is the speed of an object that moves 100 meters in 5 seconds?

Answers

Answer:

speed= distance/time

= 100/5=20mph

18. The density of rubbing alcohol is .789 g/ml. What is the mass of rubbing alcohol in a 500-ml bottle of rubbing alcohol?

Answers

Yo mamaaaaaaaaaaaaaa

Answer:

The number of   milliliters  of  isopropyl alcohol that are  in   a 400 ml bottle  of this solution  is 280 Ml

Explanation:

% V/V =  volume of  solute/ volume  of  solution  x 100

Let the volume  of solute  be =  y  ml

the volume  of  solution =  400 ml

convert 70%  to fraction = 70/100

by  substituting  the value  in the equation

= y  ml/  400 ml =  70/100

by cross  multiplication

100y =400 x70

100y=  28000

y= 280 ml

Which of the following is a property of a pure substance?

It consists of different types of compounds.

It may have substances in different states of matter.

The ratio of the particles that make it up is fixed.

Its components can be separated by employing physical methods.

Answers

Answer:

The ratio of the particles that make it up is fixed

Explanation:

A researcher wants to refine an investigation to determine the effectiveness of an enzyme at various temperatures. Which of the following would best help the researcher determine how well the enzyme is working? Question 20 options: The researcher should measure the difference in temperature during the reaction. The researcher should measure the difference in the amount of product at the beginning of the reaction. The researcher should measure the difference in the amount of enzyme remaining after the reaction. The researcher should measure the difference in the amount of product at the end of the reaction.

Answers

Answer:

The researcher should measure the difference in the amount of product at the end of the reaction.

Explanation:

Enzymes are defined as the protiens that are responsible for increasing the rate of reaction.

With the increase in temperature, the enzyme activity increases and so the rate of reaction increases. It means at lower temperature the rate of reaction decreases and the amount of product also decreases.

So, to determine the effectiveness of an enzyme at various temperatures, the difference in the amount of the product at the end of reaction should be measured.

Hence, the correct answer is "D".

A student estimated a mass to be 275 g but upon carefully measuring it found the actual mass to be 260 g. what is the percent error in the estimation?

Answers

Answer:

5.77% Error.

Explanation:

Given an experimental value of 275 g , and a theoretical value of 260 g, the percent error can be found using the equation:

[tex]\% \: error \: = \frac{ |theoretical \: value \: - \: experimental \: value | }{theoretical \: value} \times 100[/tex]

% Error = ( | 260 - 275 | / 260 ) × 100 = ( | - 15 | / 260 ) × 100 = ( 15 / 260 ) × 100 = 1500/260 = 300 / 52 = 5.769230769230.. ≈ 5.77%

My favorite student weighs in at 125 pounds. How many
kilograms do they weigh?​

Answers

Answer:

56.69905

Explanation:

The conversion factor from pounds to kilograms is 0.45359237, which means that 1 pound is equal to 0.45359237 kilograms.

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