i need help with this ASAP

Answers

Answer 1

A: the ice came from it snowing and the water freezing I the night.

B: there is ice on the windshield because of water water residue that froze.

C: I don’t know sorry.

Related Questions

What is a "control" in an experiment? *

Answers

Answer:

The factor that the person experimenting has control over

Explanation:

A scientific control is an experiment or observation designed to minimize the effects of variables other than the independent variable. This increases the reliability of the results, often through a comparison between control measurements and the other measurements. Hope this helped :)

What is 0.55 hectometers expressed in decimeters?
a.
550 dm
b.
5.5 dm
c.
55 dm
d.
0.00055 dm

Answers

Answer:

a. 550 dm

Explanation:

the only nonmetal in group 1

Answers

Answer:

Hydrogen

Explanation:

Hydrogen is the only non metal in group on of the period table of elements.

convert 3.01€22 molecules of O²(a) mole of O²) ,volume at S.T.P,no of Oxygen atom. (d) mass

Answers

Answer:

a )0.05 moles of O₂

b) 1.1207 dm³

c) 0.3× 10²³ atoms of oxygen

d) 1.6 g

Explanation:

Given data:

Number of molecules of O₂ = 3.01 × 10²² molecules

Number of moles of O₂ = ?

Volume of oxygen at ATP = ?

Number of oxygen atoms = ?

Mass of oxygen = ?

Solution:

The given problem will solve by using Avogadro number.

"It is the number of atoms , ions and molecules in one gram atom of element, one gram molecules of compound and one gram ions of a substance". The number 6.022 × 10²³ is called Avogadro number.

Moles of oxygen:

1 mole = 6.022 × 10²³ molecules

3.01 × 10²² molecules × 1 mol / 6.022 × 10²³ molecules

0.05 moles of O₂

Number of atoms of oxygen:

1 mole = 6.022 × 10²³ atoms

0.05 mol × 6.022 × 10²³ atoms /1 mol

0.3× 10²³ atoms of oxygen

Volume of oxygen:

1 mole of oxygen at STP occupy 22.414 dm³

0.05 mol × 22.414 dm³ / 1mol

1.1207 dm³

Mass of oxygen:

Mass = number of moles × molar mass

Mass = 0.05 mol × 32 g/mol

Mass = 1.6 g

please help me quickly

Answers

Answer:

tell me the question i cant see the picture

Explanation:

What is the smallest packet of electromagnetic energy that can be absorbed or emitted?

a proton
an electron
a photon
a wave

Answers

Answer:

C on edge

Explanation:

im the best rust player so ofc i know

The smallest packet of electromagnetic energy that can be absorbed or emitted is photon.

What is electromagnetic energy?

Radiation that travels in waves and has both electric and magnetic fields. It is derived from both natural and artificial sources. The power of electromagnetic energy can range from low to high.

Proton and electron are particles not any form of energy.Wave is a form of radiation.Photon is a small packets of energy whose energy is equal to hυ.

Hence photon is the smallest packet of electromagnetic energy.

To know more about photons, visit the below link:

https://brainly.com/question/15946945

#SPJ2

how would you describe the size of atoms and molecules in your own words ?

Answers

Answer:

tomic size is the distance from the nucleus to the valence shell where the valence electrons are located. Atomic size is difficult to measure because it has no definite boundary. The electrons surrounding the nucleus exist in an electron cloud.

Explanation:

Answer:

Atomic size is the distance from the nucleus to the valence shell where the valence electrons are located. The separation that occurs because electrons have the same charge. The number of protons in the nucleus. The core electrons in an atom interfere with the attraction of the nucleus for the outermost electrons. and Molecular size is a measure of the area a molecule occupies in three-dimensional space. The amount of space any mass takes up in three-dimensional space is known specifically as its volume.

Which element has a melting point of -157°c

Answers

Answer:

Krypton (Kr)

Explanation:

Krypton's melting point is -157.36°c

Which statement describes what is happening at the plate boundary in this section of a tectonic map?

Two plates are sliding past each other.

Two continental plates are colliding.

An oceanic plate is subducting.

The seafloor is spreading.

Answers

Answer a, is the answer i guess also guys take up the answers so no one else can get annoyed

Answer:

Explanation:

I took the quiz and I believe this was the correct answer.

What is the equation for torque?

Answers

Answer:

greater

Explanation:

increase, for example a door handle. imagine how much force u need to open it if it was in the middle of the door? more u need.

Fill in the two processes that cause each of the following transitions. Ocean to cloud and cloud to glacier

Answers

Evaporation and precipitation

Answer:

evaporation (when water gets warmed up and turns into water vapor) and precipitation(when the ice crystals become so heavy and melt on the way through the troposphere)

Suppose 50.0 grams of compound AB reacts completely with 100.0 grams of compound CD, how many grams of products will be formed, according to the Law of Conservation of Matter?

a. 50
b. 100
c. 150
d. 200

Answers

Answer:

Option C = 150

Explanation:

First of all we will understand what is law of conservation of mass.

Law of conservation of mass:

This law stated that, mass can neither be created nor destroyed in a chemical equation.

This law was given by French chemist Antoine Lavoisier in 1789. According to this law mass of reactant and mass of product must be equal, because masses are not created or destroyed in a chemical reaction.

For example:

In given photosynthesis reaction:

6CO₂ + 6H₂O + energy → C₆H₁₂O₆ + 6O₂

there are six number of carbon atoms, eighteen oxygen atoms and twelve hydrogen atoms on the both side of chemical equation so this reaction followed the law of conservation of mass because mases are same on both side.

In given chemical reaction:

AB + CD → X

50 g + 100 g = 150 g

Thus option c is correct.

A rock displaces 475ml of water what’s its volume

Answers

Answer:

The rock displaces 475 mL of water.

475 mL is the volume of the rock.

1 mL = 1 cm^3

The mass is just density times volume.

m = 475 * 2.5 = 125 g

Explanation:

true or false If beavers built a dam one stream, the kinds of plants and animals that lived around the stream would not be affected.

Answers

false because nearby snakes could want that spot

48 points
Chemistry is the study of 1.
& its interactions. Matter has
2.___, takes up 3. ____& is made up of 4.____
from the
periodic table. Each element in the periodic table has a different
5. ____structure. You can use the information in the periodic square of
each element to model its basic atomic structure. The three subatomic
particles that make up atoms are the 6. ___charged protons & the
7. ____neutrons are both located in the nucleus, & the 8.____
charged electrons are found orbiting the nucleus. The element's
9. ____number is equal to the number of protons, & identifies the
element. The element's atomic mass is equal to the number of protons
plus neutrons in the 10.____
The atomic charge on atoms in the
periodic table is 11. ____; so the number of electrons in a neutral atom
is also equal to the 12. ____number. Charged atoms are called
13. ____If an atom looses an electron from its neutral state it becomes a
positively charged 14. ____If an atom gains an electron it becomes a
negatively charged 15. ____Atoms with a different number of
neutrons are called 16.___
and they also differ in mass. *

Answers

Answer:

1. Matter

2. Mass

3. Space/Volume

4. Substances

5. Atomic

6. Positively

7. Neutrally charged

8. Negatively

9. Atomic

10. Nucleus

11.

12. Atomic

13. Ions

14. Cation

15. Anion

16. Isotopes

Answer:

Give that person Brainly now :)

Explanation:

Plz help me and I promise I will make you he brainiest

Answers

Answer:

Explanation:

1 is definitely wrong

density must be lower to atop another liquid

in 3 ,I consider the example of water and oil whi has a lower boiling point

Answer:

Explanation:

Which phrase correctly describes the particles that make up water vapor?
A. Having more energy than particles in liquid water
B. Making up a rigid but disorganized structure
C. Making up a rigid but ordered structure
D. Being compressed together so that they are touching

Answers

Answer:

i believe its A but im not sure

its the only one that makes any sense

plz mark brainliest

Explanation:

Answer:A

Explanation:

why do you think people believed ________ over ________? Think about the structure of society during that time period

Answers

Answer:

Is there any other details to help with the question?

True
False
Unlike gases, solids cannot
be compressed to a smaller
volume

Similar to the structure of
solids, atoms within a liquid
are in a fixed or locked
position

Both solids and liquids have
a fixed (unchanging) physical
shape
Both solids and liquids have
a fixed (unchanging) volume

Gases have a fixed
(unchanging) volume, shape,
and structure

Answers

Answer: True

Explanation:

how do you get from mass to moles in this problem?

Answers

Answer:

what problem?

Use the periodic table to determine the charge of the ions below. Select the correct answer from the drop-down menus.

A lithium ion has a charge of ______
A calcium ion has a charge of _______
An aluminum ion has a charge of ______
A fluorine ion has a charge of _______
An oxygen ion has a charge of ________

Answers

Answer:

A lithium ion has a charge of +1.

A calcium ion has a charge of +2.

An aluminum ion has a charge of +3.

A fluorine ion has a charge of -1.

An oxygen ion has a charge of -2.

Below, the correct charges of the elements are listed;

A lithium ion has a charge of +1 A calcium ion has a charge of +2 An aluminum ion has a charge of +3 A fluorine ion has a charge of -1 An oxygen ion has a charge of -2

The ionic or electrical charge of an element is the new state the element acquires because of losing or gaining an electron.

When elements lose their electrons, they tend to attain a positive charge and when they gain an electron, they tend to acquire a negative charge. To easily identify the charge of the ions, the periodic table should be used.

Elements (metals) found on the left side of the periodic table tend to have a positive charge while elements (non-metals) on the right side of the table usually assume a negative charge.

Learn more here:

https://brainly.com/question/18734103

What is the BEST scientific definition of the term “force”?

Answers

Answer:

Any unapposed interaction that will change the motion of an object.

Explanation:

My physics teacher had us write this down last week.

Please Heeelp!!
Predict the reactants of this chemical reaction. That is, fill in the left side of the chemical equation. Be sure the equation you submit is balanced. (You can edit both sides of the equation to balance it, if you need to.)

Note: you are writing the molecular, and not the net ionic equation.

___---> Ca(ClO)2 (aq) + H2O

Answers

2 HClO(aq) + Ca(OH)2(aq) = 2 H2O(l) + Ca(ClO)2(aq) is the balanced equation

Which atoms have an outer level of electrons that is one electron short of being full? Explain in a paragraph.

Answers

Explanation:

Sorry I tried but I do not know the answer but maybe someone else's know and can tell you the answer

Which professional most likely uses X-ray technology?

a food critic
a dentist
a financial analyst
a pharmacist

Answers

a dentist is most likely to use x ray technology.

Answer:

a dentist

Explanation:

Why did J.J. Thomson reason that electrons must be a pare of the atoms of all elements?
A) Cathode rays are negatively charged particles
B) Cathode rays can be deflected by magnets
C) An electron is 2000 times lighter than a hydrogen atom
D) Charge-to-mass ratio of electrons was the same, regardless of the gas used

Answers

Answer:B I think it is

Answer:

Explanation:

The state department of health manages issues
related to which of the following? Check all that
apply.

Answers

Answer:

water quality, nursing home safety, and emergency preparedness

Explanation:

i just answered it

Chemical Formula 1
2H²O²
Number of molecules in chemical formula 1
(A) 1
(A) 2
(C) 3
(D) 4

Chemical Formula 2
4HCI
Number of molecules in chemical formula 2
(A) 2
(B) 4
(C) 6
(D) 8

Chemical Formula 3
3CH⁴
Number of molecules in chemical formula 3
(A) 1
(B) 2
(C) 3
(D) 4

Chemical Formula 4
C⁶H¹²O⁶
Number of molecules in chemical formula 4
(A) 0
(B) 1
(C) 3
(D) 24

Chemical Formula 5
5CaCI
Number of total atoms in chemical formula 5
(A) 5
(B) 7
(C) 11
(D) 15

Chemical Formula 6
NaCI
Number of total atoms in chemical formula 6
(A) 1
(B) 2
(C) 3
(D) 4

Chemical Formula 7
6NH³
Number of total atoms in chemical formula 7
(A) 2
(B) 3
(C) 3
(D) 9

Chemical Formula 8
3H²O
Number of total atoms in chemical formula
(A) 2
(B) 3
(C) 5
(D) 6

Chemical Formula 9
2Fe²O³
Number of total atoms in chemical formula 9
(A) 2
(B) 3
(C) 7
(D) 10

Chemical Formula 10
8CO
Number of total atoms in chemical formula 10
(A) 1
(B) 2
(C) 8
(D) 9

Answers

Just try ur Best ok your welcome

Make a funny sentence for ductile

Here is an example of mercury, It HAS to be for Magnesium.

¨I’m a highly stable element, so you can count on me¨

Answers

Copper and tin wire are both ductile and able to be stretched.

What converts electric energy to radiant energy and thermal energy?

Answers

Answer:

Many things, but i think a toaster...

Explanation:

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