Solve this puzzle
R+R

Solve This PuzzleR+R

Answers

Answer 1
The answer is summer (sum R)

Related Questions

determine the velocity of a cart traveling at 135cm in 5.5s.

Answers

velocity = distance/time

distance = 135cm
time = 5.5 s

velocity = 135 cm/5.5 s
velocity = 24.546 cm/s

Answer: 0.245 m/s

Explanation:

So velocity = d/t or distance over time in this case m/s or meters per second. But BE CAREFUL you must remember to convert cm to m always so 135 cm= 1.35m and 1.35m/5.5s= 0.245m/s

Which particles make up most of the mass of an atom?

Answers

i think Neuterons i am right

Answer:

I do not know srry

Explanation:

how should baking pizza be categorized

Answers

Answer: The baking of a pizza should be categorized as an endothermic process because the dough absorbs heat. An endothermic process is a method that absorbs energy from its surroundings which is habitually in the form of energy

Explanation:

Answer:

endothermic; the dough absorbs heat

Explanation:

EDG2020

If a piece of paper with a mass of 1.3 grams is shredded into pieces and then it's weighed again so what would be the mass of the paper shreds?

Option 1: More than 1.3 grams
Option 2: stays the same (1.3 grams)
or
Option 3: Less than 1.3 grams

Answers

Answer:

option 2

Explanation:

Analyzing models compare an atom’s structure to a ladder. Identify one way in which ladder is not a good model from the atom.

Answers

Answer:

Climbing a ladder assumes that you would touch/use each step only once. Electrons will take one layer that is empty first, and previous layers or "steps" will continue being filled with additional electrons only when every other layer is occupied by, at least, one electron.

Explanation:

A good analogy is what passengers in a bus do. Everyone tries to sit alone first and only when every pair of seats has a person already seated, people will use them as well, sitting next to each other.

Which of the following describes wind direction?

Answers

there isn’t any pictures or directions showing

Wind direction is reported by the direction from which it originates. For example, a north or northerly wind blows from the north to the south. Wind direction is usually reported in cardinal (or compass) direction, or in degrees.

Students are investigating the relationship between pressure and temperature in gases. They have blown up a balloon with carbon dioxide from an air tank and connected the balloon to a pressure gauge. The balloon is then submerged in ice or water baths at various temperatures in order to observe the pressure level after several minutes. What is the flaw in the student’s investigation, and how can the students improve their investigation to correctly determine the relationship?
A.
The volume and density of the air in the balloon can change, therefore they need to use several different balloons at different volumes to account for how density and volume affects pressure.

B.
The volume of the balloon can change, therefore they need to use several different balloons at different volumes to account for how volume affects pressure.

C.
The volume and density of the air in the balloon can change, therefore they need to use a rigid container such as plastic or metal to hold the air.

D.
To keep the volume of the balloon from changing, so they can focus on temperature and pressure they need to use a container that does not expand like a balloon. A constainer made of plastic or metal to hold the air.

Answers

Answer:

The volume and density of the air in the balloon can change, therefore they need to use a rigid container such as plastic or metal to hold the air.

Explanation:

1. The chemical formula of caffeine is C8H10N4O2. Determine the percent composition of the molecule.
Show work please

Answers

Answer:

we find the mass for each element in one mole by multiplying the number of atoms in one molecule with the atomic mass

mC=8Ac=8*12=96g

mH=10AH=10*1=10g

mN=4AN=4*14=56g

mO=2AO=2*16=32g

by adding the masses together we find the molar mass of the molecule

M=mC+nH+mN+mO=96+10+56+32=194g/mole

we apply the rule of threes to find the percentage of each element

194g..96gC..10gH...56gN....32gO

100g....a...........b...........c.............d

a=(100*96)/194=49.48%C

b=(100*10)/194=5.19%H

c=(100*56)/194=28.85%N

d=(100*32)/194=16.48%O

Explanation:

How do we know if molecules have kinetic energy?

Answers

By looking at their temperature. The hotter/warmer something is, the more average kinetic energy the thing has. The cooler it is, the slower. Hope this helps!

What element is in group 4 and period 3

Answers

Group 4 is the second group of transition metals in the periodic table. It contains the four elements titanium (Ti), zirconium (Zr), hafnium (Hf), and rutherfordium (Rf). The group is also called the titanium group or titanium family after its lightest member.

The distance between the Grand Canyon and Mt. Rushmore is approximately 1.147 km. What is this in meters?

Answers

Answer:

1147

Explanation:

you multiply the length by 1000

What happens when a chemical reaction reaches equilibrium

Answers

The forward and reverse reactions proceed at the same rate once at equilibrium.

What is the lanthanide with least mass, periodic table?

Answers

Answer:

Europium/Eu ( not really sure )

The lanthanide element with the least mass is Lutetium (Lu)

Lutetium (Lu) is a member of the lanthanide series, which is a group of 15 elements located in the f-block of the periodic table. The lanthanide series starts with the element Lanthanum (La) and ends with Lutetium (Lu). Lutetium is the heaviest and most dense element in the lanthanide series. Lutetium has an atomic number of 71, indicating that it has 71 protons in its nucleus. It has a relatively high atomic mass of approximately 174.97 atomic mass units (u) according to the periodic table.

Hence, lutetium is the lanthanide element with the least mass.

Learn more about lanthanide elements here:

https://brainly.com/question/28305751

#SPJ 6

How many copies of DNA do haploid cells have

Answers

Answer:

2 lol

Explanation:

why are metals poor choices for coffee mugs?

Answers

Answer:

They will stay too hot.

Explanation:

You would burn yourself on the mug and your drink would be too hot to drink.

Well they can rust if you don’t dry properly. But they can burn your hands because they conduct heat.

Students report that the sky in their area has mostly cirrus clouds. What are most likely the weather conditions in the area?
rainy weather
dark, overcast (blocking the sunlight)
stormy weather
fair, pleasant weather

Answers

I believe it is fair, pleasant weather! Cirrus clouds predict fair to pleasant weather and are usually seen in the winter!

Solar energy converts ___ into either ___ energy or electrical energy.

electromagnetic, thermal
electromagnetic, potential
thermal, nuclear
chemical, thermal

Answers

Answer:

Hey mate....

Explanation:

This is ur answer.....

Solar radiation can be converted either into thermal energy (heat) or into electrical energy.

Hope it helps!

mark me brainliest plz......

Follow me! :)

Electromagnetic, thermal! Solar energy is electromagnetic since it is from the sun, and then it can convert into thermal or electrical :)

Why does a DNA fingerprint require millions of copies of each DNA fragment

Answers

Answer:

Because it can identify a person.

DNA Fingerprint

A DNA fingerprint is a piece of DNA so distinct that it can prove a person's identity. These distinct areas can take on many different forms, but each form is unique to any one individual.

PCR allows the amplification of a single copy of DNA into millions of copies. However this technique requires that the DNA of interest already be of a known sequence in order to design primers that will specifically hybridize to the target DNA.

It is important as:

It's used as evidence in courts, to identify bodies, track down blood relatives, and to look for cures for disease.

Learn more:

brainly.com/question/13695548

What are resistors? please help​

Answers

Answer:Resistor Basics

Resistors are electronic components which have a specific, never-changing electrical resistance. The resistor's resistance limits the flow of electrons through a circuit.

They are passive components, meaning they only consume power (and can't generate it). Resistors are usually added to circuits where they complement active components like op-amps, microcontrollers, and other integrated circuits. Commonly resistors are used to limit current, divide voltages, and pull-up I/O lines.

Resistor units

The electrical resistance of a resistor is measured in ohms. The symbol for an ohm is the greek capital-omega: Ω. The (somewhat roundabout) definition of 1Ω is the resistance between two points where 1 volt (1V) of applied potential energy will push 1 ampere (1A) of current.

As SI units go, larger or smaller values of ohms can be matched with a prefix like kilo-, mega-, or giga-, to make large values easier to read. It's very common to see resistors in the kilohm (kΩ) and megaohm (MΩ) range (much less common to see miliohm (mΩ) resistors). For example, a 4,700Ω resistor is equivalent to a 4.7kΩ resistor, and a 5,600,000Ω resistor can be written as 5,600kΩ or (more commonly as) 5.6MΩ.

Schematic symbol

All resistors have two terminals, one connection on each end of the resistor. When modeled on a schematic, a resistor will show up as one of these two symbols:

Resistor schematic symbols

Two common resistor schematic symbols. R1 is an American-style 1kΩ resistor, and R2 is an international-style 47kΩ resistor.

The terminals of the resistor are each of the lines extending from the squiggle (or rectangle). Those are what connect to the rest of the circuit.

The resistor circuit symbols are usually enhanced with both a resistance value and a name. The value, displayed in ohms, is obviously critical for both evaluating and actually constructing the circuit. The name of the resistor is usually an R preceding a number. Each resistor in a circuit should have a unique name/number. For example, here's a few resistors in action on a 555 timer circuit:

Answer: resistor is

Explanation:

A resistor controls the flow of the electrical current within a circuit. Resistors are made from materials like copper or carbon, which make it difficult for the electrical charges to flow through a circuit. The most common type of resistor is a carbon resistor, which is a general purpose resistor, best suited for lower-powered circuits.

Please help ASAP!! I’m stuck!!

Which statement is true based on the formula?

6CO2 + 6H2O —> C6H12O6
+ 6O2

1. The mass of carbon dioxide plus water is equal to the mass of sugar plus oxygen

2. The mass of carbon dioxide plus water is less than the mass of sugar plus oxygen

3. The mass of carbon dioxide plus water is greater than the mass of sugar plus oxygen

Answers

Answer:

The answer of this question is 3

3 is the correct answer hope this help

i need help!! i need to make it like 3:2

Answers

Answer:

use visual studio code and put in this print{3:2}-1

Explanation:

2.
You take a gas at 3 atm and increase the temperature from 120 K to 240 K. What is the final pressure?
A
6 atm
B
Not enough information
C
3 atm
D
1.5 atm

Answers

Answer:

A. 6atm

Explanation:

Using pressure law equation:

P1/T1 = P2/T2

Where;

P1 = initial pressure (atm)

T1 = initial temperature (K)

P2 = final pressure (atm)

T2 = final temperature (K)

According to this question;

P1 = 3 atm

P2 = ?

T1 = 120K

T2 = 240K

Using P1/T1 = P2/T2

3/120 = P2/240

Cross multiply

240 × 3 = P2 × 120

720 = 120P2

P2 = 720/120

P2 = 6atm

The number of ions produced when a substance dissolves is always equal to the number of Adams in a chemical formula. What is incorrect about following statement?

Answers

One thing incorrect is that when dealing with a compound, such as H2SO4, that has 7 atoms in the chemical formula, the polyatomic ion SO4 doesn’t dissociate into one Sulfur and four Oxygens. SO4 stays and a PAI.

What kind of reaction is 2H202 → 2H20 + O2?
O A. Decomposition
O B. Single-replacement
C. Double-replacement
O D. Synthesis

Answers

Answer:

this reaction is so the answer should be A

Am I doing this right?

What is [OH-] of a solution
with a pH of 4.0?

Answer in M

Answers

Am I doing this right?

What is [OH-] of a solution
with a pH of 4.0?

Answer in M
Ya

Is temperature and pressure directly proportional or inversely proportional?
A. Inversely proportional
B. Directly proportional

Answers

Directly proportional

In what way is heat transferred to the tubes? (Hint “touching’”)
Please help
I will give you Brainliest

Answers

Answer:

in heat transfer, as the fluid flows along the tube, the wall layers are heated or cooled. temp. variation occurs in the wall layers.

good luck :)

i hope this helps

have a great day !!

Gas in a balloon occupies 3.3 liters. What volume will it occupy if the pressure is changed from 100 kPa to 90.0 kPa, if the temperature is held constant?

Answers

Answer:

3.7 L

Explanation:

Initial volume (V₁) = 3.3 L

Initial pressure (P₁) = 100 KPa

Final pressure (P₂) = 90 KPa

Final volume (V₂) =?

The final volume of the gas can be obtained by using the Boyle's law equation as follow:

P₁V₁ = P₂V₂

100 × 3.3 = 90 × V₂

330 = 90 × V₂

Divide both side by 90

V₂ = 330 / 90

V₂ = 3.7 L

Thus, the final volume of the gas is 3.7 L

In a chemical reaction between copper metal and silver nitrate, 12.7 g of copper(II) and 64.5 g of silver nitrate react, and 38.1 g of Silver is produced. 21) Predict the products and write the balanced equation and include the physical state of each. 22) What type of chemical reaction is this? 23) Which is the limiting reactant? You must include the work for this to receive full credit. 24) What mass of excess is used up, and what mass is left over? 25) Calculate the percent yield.

Answers

Answer:What should you do if you realize during research that your original theory is wrong

Explanation:

TICLA ruuis SLCLLICU 10115CI.
Question 3 (1 point)
Which option correctly ranks the states of matter from slowest to fastest particle
speed.
gas, liquid, solid
solid, liquid, gas
solid, gas, liquid
gas, solid, liquid

Answers

Solid, liquid, gas. Hope this helps!
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