The products of a chemical reaction are chemically different substances than the reactants of a chemical reaction.

True or false?

Answers

Answer 1

this statement is true

Answer:

Hope it helps u


Related Questions

How many mililiters are in 0.5000 liters?

Question 6 options:

50 ml


500 ml


0.5000 ml


5,000 ml

Answers

500ml you multiply the volume value by 1000

Which set of coefficients will balance this chemical equation?

__C2H4(g) + __O2(g) → 2CO2(g) + 2H2O(g)

Answers

Answer:

Explanation:

USE UR PERDICIRTON TABLE  

The Olympian swam 200 meters in 20 seconds.
1) velocity
2) acceleration
3) speed

Answers

Answer: velocity

Explanation:

The answer is 3) Speed.
Velocity describes speed and direction.
Accelerate is an increase of rate and speed

Characteristics of a substance that describe its' ability to change into a different substance are called?

Answers

A characteristic of a pure substance that describes its ability to change into different substances. chemical change. A change that occurs when one or more substances change into entirely new substances with different properties. physical property.

In an experiment, how many variables should you change at a time? And why?

Answers

Answer:

it should test one variable at a time.

Explanation:                                                                                                  because you will not be able to tell which variable is responsible for the observed results.

PLEASE HELP!!!!!!!! I DO NOT UNDERSTAND

Answers

Answer:

A, B, C

Explanation:

Answer:A, b, c

Explanation

Which statement are part of the safety protocol for this lab experiment?

Answers

Answer:

Always wear safety goggles when performing an experiment.

Use caution when constructing the track.  

Ensure that the track is clear before releasing cars.

Report all accidents to the teacher.

Explanation:

In order to form water, two hydrogen atoms and one oxygen atom must be

A. dissolved.
B. bonded.
C. divided.
D. mixed.

Answers

Answer:

B bonded

Explanation:

Two molecules of hydrogen gas (two hydrogens bonded together) are combined with one molecule of oxygen gas (two oxygen atoms bonded together) in order to form two molecules of water (two hydrogen atoms bonded to one oxygen atom). What are covalent bonds? Covalent bonds occur when two or more atoms share electrons.

In order to form water, two hydrogen atoms and one oxygen atom must be bonded. The correct option is B.

What are covalent bonds?

Covalent bonds between two or more atoms occur when they share electrons. with each other.

Two molecules of hydrogen gas are combined with one molecule of oxygen gas which forms two molecules of water. Hydrogen take one electron and oxygen can donate two electrons. One oxygen shares two electron with two hydrogen with one electron gaining capacity.

Thus, in order to form water, two hydrogen atoms and one oxygen atom must be bonded. The correct option is B.

Learn more about covalent bond.

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which process helps guarantee that a species continues to involve over hundreds of years?

A. growth

B. nutrition

C. reproduction​

Answers

Answer:

C. reproduction​

Explanation:

2. Have you ever seen a natural event that surprised

you? Why was it surprising?

Answers

Answer:

I have seen many lightning storms before. However, one of the most surprising ones was when I was at my house. It was around midnight when I awoke from the sound of lightning in the distance. I was also half awake so this could be another reason this was the most surprising, but lightning struck near my area. i could see the light through my curtains and the sound was loud enough to awake everyone in my house, even the deep sleepers. I practically jumped out of bed.

I’ve seen an tornado. It was surprising because I didn’t think they would be a big or dark as they really are.

A mixture of Oxygen and Hydrogen occupies a pressure of 101.3kPa. The pressure of Hydrogen is 56kpa. Calculate the pressure of oxygen.

Answers

Answer:

45.3 KPa

Explanation:

From the question given above, the following data were obtained:

Total pressure (Pₜ) = 101.3 KPa

Pressure of Hydrogen (Pₕ) = 56 KPa

Pressure of Oxygen (Pₒ) =?

The pressure of oxygen in the mixture can be obtained as follow:

Pₜ = Pₕ + Pₒ

101.3 = 56 + Pₒ

Collect like terms

101.3 – 56 = Pₒ

Pₒ = 45.3 KPa

Thus, the pressure of oxygen in the mixture is 45.3 KPa

Environmental factors can influence the way genes are ________________.

Answers

Answer:

Similarly, drugs, chemicals, temperature, and light are among the external environmental factors that can determine which genes are turned on and off, thereby influencing the way an organism develops and functions.

Explanation:

plsss help ive been stuck on this for a week

Answers

Answer:

Thomson's atom model.

Explanation:

His model is the plum pudding model of an atom. There are negatively charged subatomic particles or electrons placed within positively charged matter.

Hope this helps!

Which statement best describes the polarity of the molecule Sil4?

Answers

Answer:

I dont a picture

Explanation:

but the answer is 24

Please help I’ll even give you brainliet

What is the molecular formula for a compound that is 34.31% sodium, 17.93% carbon, 47.76% oxygen and has a molar mass of 134.00g?

Answers

Answer: Na2C2O4 probably sodium oxalate

Explanation: assume you have 100 g substance.

Mass of Na is m(Na) = 34.31 g, m(C) = 17.93 g and m(O) = 47.76 g.

Calculate moles n(Na) = 34.31 g/22.99 g/mol= 1.49 mol.

For C n(C) = 1.49 mol and n(O) = 2.985. You divide all by 1.49 you

Get n(Na) : n(C) : n(O) = 1:1:2 M(NaCO2) = 67 g/mol.

Divide 134:67 = 2. You get formula Na2C2O4

What drives the flow of energy in cycling of matter in the atmosphere

Answers

The earths rotation if I’m not mistaken

WDYT a mixture is? Please help

Answers

Answer:

A mixture is when two substances are physically combined and can be taken apart.

Explanation:

my words

La leche se considera un alimento basico por su elevado contenido de nutrientes su densidad es de 1,4g/ml. Si se hace una compra de 7 bolsas de leche cada una con un volumen de 900m cual es la masa total de la leche expresada en kilogramos?

Answers

Answer:

8.82 kg es la masa total de leche

Explanation:

Consideraremos que el volumen de cada bolsa de leche es de 900 mL.

Sabiendo que tenemos en total 7 bolsas, el volumen final en litros que tenemos disponible es de:

900 mL . 7 = 6300 mL

Utilizando la densidad podemos calcular la masa de leche que tenemos en el total de las 7 bolsas

Densidad = masa / volumen

Densidad . volumen = masa → 1.4 g/mL . 6300 mL = 8820 g

Convertimos la masa de gramos a kg

8820 g . 1 kg /1000g = 8.82 kg

In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by _____.

A) hydrogen bonds

B) nonpolar covalent bonds

C) polar covalent bonds

D) ionic bonds

Answers

Answer:

C) polar covalent bonds

Explanation:

Polar covalent bonding can be regarded as a chemical bond that involves a pair of electrons which is

unequally shared between two atoms.

The electron are not shared equally as a result of one of the atom spending more time with the electron compare with the other atom. It is one whereby atoms having different electronegativities involves themselves in sharing electrons in a covalent bond

What is an important effect of gravity?

Answers

Answer:

pulling objects with mass closer to each other

Explanation:

that is the only role of gravity

A clownfish uses a sea anemone as a safe place to live. While living there, the clownfish lures in food for the anemone. This is an example of what type of relationship?

Answers

do you possibly have a picture by vhanec?

HELPP ILL GUVE YOU LOTS OF POINTS EVERYTHING U WANT I REALLY NEED HELP ​​

Answers

Answer:

but what is your question? it's just like the moon going around earth while earth along with all the other planets revolve around the sun

Explanation:

During the daytime, we can see things because the sun is giving off
heat energy
light energy
sound energy
electrical energy

Answers

Answer:

light energy

.................

Answer:

light energy

Explanation:

heat does not effect how we see

the sun does not have sound

electrical energy does not effect how we see

Help please for this problem.

Answers

1 mol of co2 is 44.01 grams. So we know that 70/44.01= 1.59 moles of co2 were consumed

1.59 mol co2 / 4 mol co2 = mol c2h2 / 2 mol c2H2

So mol of c2h2 is .79 mol
There is 27.04 grams in a mol of c2h2,
So we have 0.79*27.04=21.5 grams of c2h2

3. Convert 273.0 g of lead into moles.

Answers

Answer:

1.3175675675675604

Explanation:

does this need to be rounded?

Explain what you discovered from the Simulation about why food coloring spreads faster in warmer water.

Answers

Answer:

The food colouring mixes through the hot water faster than it mixes with the cold water, this is because in hot water the water molecule have more energy and are moving faster than the molecules of cold water .This makes it easier for the food colouring to get mixed quickly through the hot water.

Can you help me please

Answers

Answer:

Explanation:

h

if water is added to a 0.70 molar solution of CuSO4 what will change



A. molarity will increase



B. Molarity will decrease



C. the amount of CuSO4 will decrease



D. No change in molarity or amount of salute

Answers

Answer:

B. Molarity will decrease

Explanation:

Molarity is one of the measures of the molar concentration of a solution. It is calculated by dividing the number of moles of the solute by the volume of the solvent. This means that the higher the amount of solute in relation to the volume of solvent, the higher the molarity of that solution.

In essence, adding water to a solution dilutes it i.e it increases the solvent's volume in relation to the solute, causing the molarity to decrease. In a nutshell, diluting a solution (by adding water or more solvent) causes the molarity of such solution to decrease. For example, if water is added to a 0.70 molar solution of CuSO4, the molarity of the solution will DECREASE.

From point A to point B, the car will . From point B to point C, the car will . Assuming the washer on the car is not blocked by the book, once the car hits the book, the washer will still have . This experimental design will examine Newton’s law.

Answers

Answer:

Accelerate, Have Constant velocity, Velocity, and First

Explanation:

Got it right on edge. have a wonderful day!!!

From point A to point B, the car will . From point B to point C, the car will assuming the washer on the car is not blocked . It will examine Newton’s law will be "Accelerate, Have Constant velocity, Velocity, and First."

What is Newton’s law ?

The link between an object's motion with even the forces acting on it is outlined by Newton's laws of motion, which were three fundamental principles of classical mechanics.

What is  velocity?

The displacement of the item in one unit of time would be the definition of velocity.

Therefore, from point A to point B, the car will . From point B to point C, the car will assuming the washer on the car is not blocked . It will examine Newton’s law will be "Accelerate, Have Constant velocity, Velocity, and First."

To know more Newton’s law and Velocity

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HELP ME PLEASE ILL GIVE EC AND BRAINLESTPhotosynthesis
Matter and Energy
Claim-Evidence-Reasoning
Name:
Date:
Scenario
Below is the equation of photosynthesis. Photosynthesis is a process that takes place in plants.
Notice that CO, and water are converted into sugar and oxygen.
External Data
600,
6 H,0
Water
light Cº,
+
602
+
Oxygen
ton Dede
Sugar
Prompt:
When you go home Dnight, your mother asks you to explain to her what happens during the
process of photosynthesis. Your mother is a science teacher, so make sure you use scientific terms
to give her a scienífic explanation of how energy is stored as sugar in plants through
photosynthesis.
I
Claim:
Evidence:
Reasoning:
Rebuttal:

Answers

Answer:

photosynthesis happens when spring is happening because of the pollen and soil

Explanation:

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Fact Opinion They both had to help out because the family was so poor. Three friends drove radio controlled cars around a track. The table below shows the number of lapscompleted by each person and the time it took.KaitlinKeikoAnnTime (minutes)975Number of laps542825Write the number of laps completed per minute for each person. Then determine who drove the fastest.Number of laps completed per minute by Kaitlin:Number of laps completed per minute by Keiko:Number of laps completed per minute by Ann:Select the person who drove the fastest.KaitlinO keikoAnn can someone please help me Elena has 6 yards of ribbon. She takes 1/4 yard of a ribbon to make a bow. How many bows can she make with the ribbon she has? what does the dauphin do to make some money at the prayer meeting Explain step by step how to use the horizontal method the multiple the two polynomials A-Rod Manufacturing Company is trying to calculate its cost of capital for use in making a capital budgeting decision. Mr. Jeter, the vice-president of finance, has given you the following information and has asked you to compute the weighted average cost of capital.The company currently has outstanding a bond with a 10.6 percent coupon rate and another bond with an 8.2 percent rate. The firm has been informed by its investment banker that bonds of equal risk and credit rating are now selling to yield 11.5 percent. The common stock has a price of $60 and an expected dividend (D1) of $1.80 per share. The historical growth pattern (g) for dividends is as follows:1.351.491.641.80The preferred stock is selling at $80 per share and pays a dividend of $7.60 per share. The corporate tax rate is 30 percent. The flotation cost is 2.5 percent of the selling price for preferred stock. The optimum capital structure for the firm is 25 percent debt, 10 percent preferred stock, and 65 percent common equity in the form of retained earnings.(a) Compute the historical growth rate. (Round your intermediate calculations to 2 decimal places and final answer to the nearest whole percent. Omit the "%" sign in your response.)Growth rate %(b) Compute the cost of capital for the individual components in the capital structure. (Round growth rate to nearest whole percent. Round your answers to 2 decimal places. Omit the "%" sign in your response.)Cost of capitalDebt (Kd) %Preferred stock (Kp)Common equity (Ke)(c) Calculate the weighted cost of each source of capital and the weighted average cost of capital. (Round your intermediate calculations and final answers to 2 decimal places. Omit the "%" sign in your response.)Weighted costDebt (Kd) %Preferred stock (Kp)Common equity (Ke)Weighted average cost of capital (Ka) % Darwin and Wallace both observed greater species richness in the tropics than in Europe, but neither of them had a good explanation for why. 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What is the area of this trapezoid?26 cm32 cm40 cm72 cm TEST 3 - ESSAY Complete the following:Starting today, I will always give thanks for the following_____________________________________________________________________________________________________________________________________________________________Because________________________________________________________________________________________________________________________ Please help me ASAP Which best describes a method of obtaining energy that may cause changes inwater temperature and harm to fish populations? A burning coal B using ethanol in cars C installing solar panels on a home D generating electricity in a hydroelectric power plantGroup of answer choices Why did farmers in the 1930s often fall behind on their tax payments?They had very little money.They needed equipment and seed.They had to pay high taxes.They were not required to pay taxes Which statement is true based on the data in the table? A. 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One value which b CANNOT have is Plz answer this test ASAP The cardiovascular system is composed of two circulatory paths: pulmonary circulation and systemic circulation.Pulmonary circulation transports deoxygenated blood from the right side of the heart to theA. left side of the heart where it is pumped to the lungs for oxygenation B. lungs where blood picks up oxygen and returns to the left side of the heart C. lungs where blood picks up oxygen and returns to the right side of the heart D. lungs where the blood picks up oxygen and transports it to the tissues of the body find the slope of the line through the points (10,6) and (-1,8)