which CHEMICAL REACTION IS FASTEST

Answer:

b. bread turns brown in the toaster

Answer:

B

Explanation:

Bread turns brown in a toaster really fast. But with the other stuff it takes forever.

Which of the following have the correct pairing of ion charge to the number of protons and electrons that would
deliver that charge for the ion written?
Select ALL that apply.
Select all that apply
А. 0-2: 8 protons and 4 electrons
B. Na+l: 11 protons and 10 electrons
С. N-3.7 protons and 10 electrons
D. Al 3. 13 protons and 16 electrons

How does the ionosphere help radio transmission?

What is a reaction rate? PLEASE HELP
a. measure of the potential energy differences in reactants and products
b. measure of the activation energy needed
c. measure of how fast products are made
d.measure of collisions between molecules

Which two of the minerals shown have a metallic luster?

WILL MARK BRAINLIEST!!
HELP PLEASE!! What is the UNabbreviated electron configuration for Na and Ar

Write a essay on endangered animals


A: Inquiring and analysing

i. explain and justify the need for a solution to a problem

ii. state and prioritize the main points of research needed to develop a solution to the problem

iii. describe the main features of an existing product that inspires a solution to the problem

iv. present the main findings of relevant research

B: Developing ideas

i. develop a list of success criteria for the solution

ii. present feasible design ideas, which can be correctly interpreted by others

iii. present the chosen design

C: Creating the solution

i. outline a plan, which considers the use of resources and time, sufficient for peers to be able to follow to create the solution

ii. demonstrate excellent technical skills when making the solution

iii. follow the plan to create the solution, which functions as intended

iv. list the changes made to the chosen design and plan when making the solution

D: Evaluating


i. outline simple, relevant testing methods, which generate data, to measure the success of the solution

ii. outline the success of the solution against the design specification

iii. outline how the solution could be improved

iv. outline the impact of the solution on the client/target audience

I WILL IDMEADIITLY MARK U AS BRAINLIESTTT

Oxygen is most chemically similar to
Anitrogen
Bsulfur
Cfluorine​

1. Which of the following is Newton's First Law? *

A-An object in motion will stay in motion unless acted on by a balanced force.

B-An object at rest will stay at rest and an object in motion will stay in motion in the same speed and same direction unless acted on by an unbalanced force.

C-Moving objects will stay in motion forever

boron phosphite
Formula please help fast please please help me please please help

What is specific heat? How are the factors affecting it?

Explain why only protons and neutrons are used to calculate mass number

The atmosphere insulates the planet by trapping in

which group of mamaals has the most mebers

A roller coaster is accelerating at 10m/s² before it comes to an abrupt stop at the end of the ride. The mass of the roller coaster is 900 kg. How much force was exerted on the roller coaster to bring it to a stop?

Which statement about the alkali metals is correct?
A. They are usually gases.
B. They are extremely unreactive.
C. They are located in the left-most column of The Periodic Table
D. They form negative ions with a -1 charge

Convert 2.5x10^6mm to km

I GIVE BRAINLIEST:

Which of these is a characteristic of warm air? (5 points)

a It transfers energy through radiation.

b Its molecules are far apart.

c It sinks due to convection.

d It cools the land below it.

I GIVE BRAINLIEST IF YOU ANSWER!

Which of these is a characteristic of warm air? (5 points)

a It transfers energy through radiation.

b Its molecules are far apart.

c It sinks due to convection.

d It cools the land below i

On hot days, you may have noticed that potato chip bags seem to “inflate”, even though they have not been opened. If I have a 250 mL bag at a temperature of 19 0C, and I leave it in my car which has a temperature of 600 C, what will the new volume of the bag be? will give brainliest

A mixture consists of 28% oxygen, 14% hydrogen, and 58% nitrogen by volume. A sample of this mixture has a pressure of 4.0 atm in a 9.6 L container at 300 K temperature. This mixture is run through a gas filter, which removes the hydrogen from this system. The gas is placed back into the 9.6 L container. How many moles of gas are left in the container? A) 4.2 mol B) 2.6 mol C) 1.3 mol D) 3.9 mol

In the Periodic Table, the vertical columns that extend down the Periodic Table are called
A. periods.
B. Groups.
C: Classes
D: Rows

Which element has an electron configuration that ends in the fourth energy 1 point
level? *
D
ОО
C

What is the speed of a car that has traveled 100 miles in 20 hours?
|

The chemical equation S + 02 - S02 is an example of which type of reaction?
Single displacement
Combination
Double displacement

identify the element present in the following compound zinc chloride​

Which organelle captures sunlight and helps in food synthesis?

Convert 48.5 grams of water to moles of water

Transcription of the sequence TTA AGC produces which sequence?
AAT UCG

AAT TGC

UUT TCC

AAU UCG

Calculate the number of milliliters of 0.440 M KOH required to precipitate all of the Fe2+ ions in 187 mL of 0.692 M FeSO4 solution as Fe(OH)2. The equation for the reaction is: FeSO4(aq) + 2KOH(aq) Fe(OH)2(s) + K2SO4(aq)

Which of the following statements is FALSE?
H2SO4 + 2 NaOH → Na2SO4 + 2 H2O is a double replacement reaction

2 KClO3 →KCl + 2 O2 is a decomposition reaction.

C6H12 + 9 O2 → 6 H2O + 6 CO2 is a single replacement reaction

CO2 + Na2O → Na2CO3 is a synthesis reaction