Compare the atomic radii of neutral atoms 7N,8O,11Na and 12Mg and expalin briefly

Answers

Answer 1

Okay that’s cooo and yeah basinsnsjeidnsjw12539484!( is the correct answer

Related Questions

SOMEONE ANSWER?!!?!?!,!,EMERGENCY Can someone tell me the answer plz plz I’ll give you brainlist and points plz This is my final test No wrong answers

Answers

Answer: Should be A)

Explanation:

the size of planets effects the amount of gravitational force each planet has, like jupiter, it has the most gravity.

Can someone tell me the answer plz plz I’ll give you brainlist and points plz This is my final test No wrong answers

Answers

Answer:

Energy can enter or exit an open system

Explanation:

Is science logical please help meeeeeee

Answers

Answer:

It kind of is logical so my answer is yes

Yes science is logical

An object is placed at 0 on a number line. It moves 3 units to the right, then 4 units to the left, and then 6 units to
the right. What is the displacement of the object?
1
5
7
13

Answers

your answer is five ;))))

Answer:

the answer will be five

Explanation:

i got this question on a test and i got it right

Explain why the temperature of distilled water is kept at 37°C ?

Answers

At 37°C, the pH of distilled water is actually around 6.8, which means the human extracellular fluid is quite alkaline. However, the intracellular pH of the warm-blooded human is still around 6.8. This has been confirmed by various destructive and non-destructive measurements.
(I’m sorry if I responded too late! I hope it helps)

Answer:

the temperature of distilled water is kept at 37 because it needs to kill off some microbes.

3. (10 Points) Write a double replacement reaction where one of the products is
copper (11) oxide. Include the states of matter for each of the reactants and
products.

Answers

Answer:

Up to now, we have presented chemical reactions as a topic, but we have not ... A single-replacement reaction is a chemical reaction in which one element is ... single-replacement reactions will occur between two given reactants. This is ... Use the activity series to predict the products, if any, of each equation.

Explanation:

A ball is moving at a speed of 6.70 m/s. If the kinetic energy of the ball is 3.10 J, what is the mass of the ball?

Answers

Answer:

0.14 kg

Explanation:

The mass of the ball can be found by using the formula

[tex]m = \frac{2k}{ {v}^{2} } \\ [/tex]

v is the velocity

k is the kinetic energy

From the question we have

[tex]m = \frac{2(3.10)}{ {6.70}^{2} } = \frac{6.20}{44.89} \\ = 0.138115...[/tex]

We have the final answer as

0.14 kg

Hope this helps you

PLEASE HELP!!!! A solution contains 35 grams of sugar per liter of solution. How many grams of sugar are in 2.5 L?

Answers

87.5 I believe because it needs 2.5 L and we multiply 35 by 2.5 because 1 liter needs 35 grams

help with this asap please

Answers

ΔH rxn = 434.7 kJ

Further explanation

Given

C+O₂⇒CO₂ ΔH=-393.5 (reaction 1)

2CO+O₂⇒2CO₂ ΔH=-566 (reaction 2)

2H₂O⇒2H₂+O₂ ΔH=483.6 (reaction 3)

Required

ΔH rxn

Solution

Reaction 1 : no change

C+O₂⇒CO₂ ΔH=-393.5

Reaction 2 : the reaction is reversed and divided by 2

CO₂⇒ CO+1/2O₂ ΔH=-283

Reaction 3 : divided by 2

H₂O⇒H₂+1/2O₂ ΔH=241.8

-------------------------------------------

C+H₂O⇒CO + H₂ ΔH rxn= -434.7 kJ

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