Which statement describes how the binary ionic compound KBr is named?
The nonmetal is named first, and the name is unchanged.
The metal is named first, and the name is unchanged.
The nonmetal is named second, and the name is unchanged.
The metal is named second, and the name is unchanged.

Answer:

is there a picture to go with it

Explanation:

Answer:

203.155 calories

Explanation:

Given that,

Energy released by a certain chemical reaction is 850 J.

We need to convert the energy into calories.

We must know the relationship between Joules and Calories.

1 calorie = 4.184 Joules

1 Joule = 0.239006 calorie

Now,

850 Joule = 203.155 calories

So, 850 J of energy is equivalent to 203.155 calories.

Surface model,we used a supercell of

16.1106×16.1106×18.0 And a model of a 3 × 3

9 atoms..

Answer:

2.04 mol

Explanation:

At STP, 1 mole = 22.4 L

45.6 L of H2 *    (1 mole of H2 / 22.4 L ) =  2.04 mol

Answer:

blue and red

Explanation:

edmmdldl c0lor w

Answer:

Na

Explanation:

Answer:

A) Chromatography

Explanation:

Answer:

In a chemical change, the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants. When a new substance is formed, the change is called a chemical change

The energy built up in the earth could have caused a tectonic plates movement. The movement could have made a tsunami and moved the boat. The impact could have caused the boat to move up to the top of a building.

Answer:

I NEED HELP PLZZZZZZZZZZZZZ

Explanation:

Answer: Their both 40.0g, they're the same weight bot boys are wrong

Explanation:

Florida's east coast climate causes its winter temperatures to remain higher and its summer temperatures to remain lower than those of other southeastern states. Therefore, option A is correct.

Climate is a region's averaged long-term weather pattern over a period of time, usually 30 years. More precisely, it is the average and variation of climatic variables over a period of time that can range from a few months to many millions of years.

At that height, the jet stream, which is high overhead, affects the wind and pressure. This influences elements closer to the surface, such as zones of high and low pressure, and as a result, influences the weather.

The ground is sinking all along Florida's Atlantic and Gulf coasts. Sea level along the Florida coast is anticipated to increase one to four feet in the following century if the oceans and atmosphere continue to warm. Rising sea levels inundate dry areas and marshes, degrade coastlines, and make coastal flooding worse.

Thus, option A is correct.

To learn more about climate, follow the link;

https://brainly.com/question/10440860

#SPJ2

Answer:

Static electricity

Explanation:

Because the friction is creating heat and static.

Answer:

it generates static:)

Answer:

Carbon dioxide absorbs the most heat energy during SUBLIMATION

Explanation:

Carbon dioxide absorbs the most heat energy during SUBLIMATION

Answer:

The rate of heat loss through the wall is 1700 watts.

Explanation:

The complete statement of the problem is:

The wall of an industrial furnace is constructed from 0.15-m-thick, fireclay brick having a thermal conductivity of 1.7 W/m·K. Measurements made during steady state operation reveal temperatures of 1400 and 1150 K at the inner and outer sur- faces, respectively. What is the rate of heat loss through a wall that is 0.5 m by 1.2 m on a side?

Given that wall of the industrial furnace is under steady conditions of heat transfer and whose configuration is a flat element, we use the equation of conductive heat transfer rate ([tex]\dot Q[/tex]), measured in watts:

[tex]\dot Q = \frac{k\cdot w\cdot h}{l}\cdot (T_{i}-T_{o})[/tex]

Where:

[tex]k[/tex] - Thermal conductivity, measured in watts per meter-Kelvin.

[tex]w[/tex] - Width of the wall, measured in meters.

[tex]h[/tex] - Height of the wall, measured in meters.

[tex]l[/tex] - Thickness of the wall, measured in meters.

[tex]T_{i}[/tex] - Inner surface temperature, measured in Kelvin.

[tex]T_{o}[/tex] - Outer surface temperature, measured in Kelvin.

If we know that [tex]k = 1.7 \,\frac{W}{m\cdot K}[/tex], [tex]w = 1.2\,m[/tex], [tex]h = 0.5\,m[/tex], [tex]l = 0.15\,m[/tex], [tex]T_{i} = 1400\,K[/tex] and [tex]T_{o} = 1150\,K[/tex], the steady state heat transfer is:

[tex]\dot Q = \left[\frac{\left(1.7\,\frac{W}{m\cdot K} \right)\cdot (1.2\,m)\cdot (0.5\,m)}{0.15\,m} \right]\cdot (1400\,K-1150\,K)[/tex]

[tex]\dot Q = 1700\,W[/tex]

The rate of heat loss through the wall is 1700 watts.

The rate of heat transfer is 1700 W

Given that the wall of the industrial furnace is under steady conditions of heat transfer.

The conductive heat transfer rate is given by:

[tex]\frac{Q}{t}=\frac{kA\Delta T}{d}[/tex]

here Q/t is the rate of heat transfer

A is the area,

d is the thickness of the wall here,

ΔT is the temperature difference, and

k is the thermal conductivity

Now,

area of the wall A = 0.5×1.2 = 0.6 m²

d = 0.15 m

k = 1.7 W/mk

and ΔT = 1400 - 1150 = 250K

So,

[tex]\frac{Q}{t}=\frac{1.7\times0.6\times250}{0.15}\\\\\frac{Q}{t}=1700\;W[/tex]

Learn more about heat transfer:

https://brainly.com/question/15043671?referrer=searchResults

Answer:

Burning paper is a chemical change where paper burns to form ash and also CO2

Answer:

Burning paper is a chemical change

Explanation:

As when a paper is burnt its physical properties and structure completely changes . And it converts into an ashes.

Answer: A silicon

Explanation:

Answer: Avoid wading in Georgian waters to catch trout  and don't move from one body of water to the next without changing and sanitizing waders.

Explanation:

Answer:

12:7

Explanation:

To Determine: To calculate the formula of the unknown binary compound of oxygen and nitrogen and to ratio in the next compound of the series using given data.Answer:The formula of the unknown compound .The ratio for atoms of oxygen to nitrogen inis .The mass ratio of oxygen to nitrogen in next member of the series of compounds is .Explanation:The mass ratio of toinis .The mass ratio of toin theunknown compound is .The atomic mass of the oxygen is .The atomic mass of the nitrogen is .The mass ratio of to in a molecule can be represented as: …… (1)Here,is the number of atoms of the oxygen in the molecule.is the mass of an atom of oxygen.is the number of atoms of the nitrogen in the molecule.is the mass of an atom of nitrogen.For unknown compound, substitutefor , for and for mass ratio in equation (1).The ratio of atoms of oxygen to nitrogen is , therefore, the expected formulas of the unknown compound is and . If the unknown compound is in a series with then the formula of the unknown compound and the formula for the next member of the series is .The ratio for atoms of oxygen to nitrogen inis .For , substitute 5 for , for , 2 for and for in equation (1).The mass ratio of oxygen to nitrogen in next member of the series of the compounds is .

You should probably rephrase this:

According to Coulomb's Law, as the number of protons in an atom increases (or atomic number), the nuclear energy of atoms will increase, pulling electrons closer.

I think the order would be Be, Li, K but feel free to check online before you submit any work with this.

Answer:

Number of atoms in 52g of He is 7.829X10^24.

Explanation:

Solution,

Given,

No of mole of atoms (NA) = 6.023x10^24.

Mass ogiven helium=52g

Atomic mass of helium=4

Lets do sep by step,

1) No. of atom in 52g of He.

= NAxmass/At.mass

= 6.023X10^23x52/4

= 7.829 x 10^24.

Explanation:

6579689993 and password is 3250 I RISHAVjoin please I join yar

Answer:

B - this does not indicate chemical change

To Find :

The STP moles of 67.2 L CO.

Solution :

We know, molar volume at STP is used to converted into moles by :

1 moles = 22.4 L STP

So, number of moles in 67.2 L CO is :

[tex]n=\dfrac{67.2}{22.4}\\\\n = 3 \ moles[/tex]

Therefore, number of STP moles are 3.

Hence, this is the required solution.

Explanation:

i hope i have been useful buddy.

good luck ♥️♥️.