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2 years ago

11

Describe how electrons move within an atom.

1 answer:

Alex777 [14]2 years ago

6 0

Answer:

Atoms are made up of three major components: electrons, protons and neutrons. Protons and neutrons make up the nucleus in the center of the atom. ... If you add energy, electrons can move to a higher orbital level and then back again when the energy returns to normal.

Explanation:

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The process plants use to make food is called:

Dafna1 [17]

Answer:

PHOTOSYNTHESIS IS THE ANSWER

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2 years ago

Read 2 more answers

1(30%). A thin plate black body, insulated at the bottom is placed faced up in a room with wall temperatures of 30 C. Air at 0 C

ch4aika [34]

Explanation:

The given data is as follows.

Heat transfer coefficient (h) = 12 $W/m^{2}.C$

Plate temperature ( $T_{1}$ ) = $30 ^{o}C$ = 303 K

Steady state temperature ( $T_{2}$ ) = ?

Hence, formula applied for steady state is as follows.

$(h \times A \times \Delta T)_{air}$ = $\sigma \times A \times (T^{4}_{1} - T^{4}_{2})_{plate}$

Putting the given values into the above formula as follows.

$(h \times A \times \Delta T)_{air}$ = $\sigma \times A \times (T^{4}_{1} - T^{4}_{2})_{plate}$

$12 \times (T_{2} - 273)$ = $5.67 \times 10^{-8} \times [(30 + 273)^{4} - T^{4}_{2}]$

$T_{2}$ = 282.66 K

= (282.66 -273) $^{o}C$

= 9.66 $^{o}C$

Thus, we can conclude that the steady state temperature will be 9.66 $^{o}C$ .

3 0

2 years ago

PLEASE ANSWER ASAP!

uranmaximum [27]

Not for sure but i would say the its B rate please

6 0

2 years ago

The _______ are found on the left side of the arrow in a chemical reaction.

Snezhnost [94]

The reactants are found on the left side, the products are found on the right side.

4 0

2 years ago

Show a correct numerical setup for calculating the

valkas [14]

0.25 moles of CO2 is present in 11 grams of CO2.

Explanation:

A mole represents the number of chemical entities in an element or molecule.

Number of moles of an element or molecule is determined by the formula:

The Number of moles (n) = weight of the atom given ÷ atomic or molecular weight of the one mole of the element or molecule.

Themolar mass of one mole of carbon dioxide is:

12+ ( 16×2)

= 44 gram/mole

The given weight is 44 grams of carbon dioxide.

Putting the values in the equation,

n= 11 gms÷44 gms/ mole

n = 0.25 mole

7 0

3 years ago