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Scorpion4ik [409]
3 years ago
11

A new garage door opener app is introduced to the market, claming it can close your garage door from a farther distance than a t

raditional door opener. 10 volunteers are given access to the app, and their neighbors are using the traditional opener. The number of times the garage door opens is detremined from varying distance. What is the control group, Independent variable, and the dependent variable?
Chemistry
1 answer:
Semmy [17]3 years ago
8 0

Answer:

I would answer but not enough information

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QUICK CHECK
Free_Kalibri [48]

Answer:

Tetraedral: CH4

Bent: H2O

Trigonal planar: BF3

Trigonal pyramidal: NH3

Linear: CO2

5 0
2 years ago
Read 2 more answers
What mass of water absorbs 6700 J of heat to raise the temperature from 283K to 318K?​
larisa86 [58]

Answer:

you did not give the specific heat like formula like it takes 1kj to raise 28grams of water by 10 grams

4 0
2 years ago
9) Give the set of four quantum numbers that could represent the extra electron added (using the Aufbau principle) to the neutra
Pie

Answer:

See explanation

Explanation:

9) If an extra electron is added to the neon atom, then the electronic configuration becomes; 1s2 2s2 2p6 3s1

This last electron has quantum numbers;

n=3, l=0, m=0 and s = +1/2

This is so because the 2s level is already filled so the extra electron must go into the 3s level. The orbital quantum number and the magnetic quantum number for the s orbital is zero.

10) Electron affinity is the energy released when one mole of gaseous atoms accept one mole of gaseous electrons to form one mole of gaseous ions having a negative charge.

In the second period, fluorine has the greatest electron affinity since electron affinity increases across the period. The noble gas, neon has an electron affinity of 0KJ/mol.

11) Ionization energy decreases down the group but increases across the period due to increase in the size of the nuclear charge and decrease in the distance between the nucleus and the outermost electron. Hence, the process; Br+(g) ---->Br2+(g) + e- has the greatest ionization energy. Recall that the second ionization is always higher than the first ionization energy.

12)The order of decreasing metallic character here is K> As> P. Even though As and P belong to the same group, we must note that metallic character increases down the group hence the order written above.

3 0
2 years ago
Which of these lists the energies of the sublevels, from highest to lowest? A. f > d > p > s B. d > p > s > f
Pie
A because for example in n=4 we have all of these sub levels  4s is completed sooner than 4p and so
4 0
3 years ago
Read 2 more answers
Consider the reaction H2(g) + I2(g) Double headed arrow. HI(g) with an equilibrium constant of 46.3 and a reaction quotient of 5
Alika [10]

Answer:

The reaction shifts to the left.

Explanation:

Equilibrium constant (K) = 46.3

Reaction Quotient (Q) = 525

The relationship between Q and K with their implications are given as;

K = Q (No net reaction)

K > Q (Reaction shifts to the right)

K < Q (Reaction shifts to the left)

Since in this question, Q (525) > K (46.3)

The reaction shifts to the left.

5 0
2 years ago
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