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Andru [333]
3 years ago
13

Lucy wants to attach a goal cost to each of her life goals. Why might she do this?

Chemistry
1 answer:
Natasha2012 [34]3 years ago
8 0

Answer:

So she can have something to reach or look forward to.

Explanation:

none

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Maize, man, Goat, is an example of a food chain<br>true or false​
Lina20 [59]

Answer:

False

Explanation:

The correnct chain is labeled Maize, Goat, Man.

8 0
3 years ago
What is the energy of a photon of red light that has a frequency of 4.48 X 10^14Hz?
lana [24]

Answer:

E = 29.7× 10⁻²⁰  j

Explanation:

Given data;

Frequency of light = 4.48 × 10¹⁴ Hz

Energy of photon = ?

Solution:

Formula:

E = h.f

E = energy of photon

h = planck's constant

f = frequency

E = h.f

E = 6.63 × 10⁻³⁴ Kg.m² /s × 4.48 × 10¹⁴ s⁻¹

E = 29.7× 10⁻²⁰ Kg.m²/s²

Kg.m²/s² = j

E = 29.7× 10⁻²⁰  j

3 0
2 years ago
Sample of 200mls of 0.5 sulphuric acid,was asked to produce 1.2M of the new solution.Calculate the volume of the new solution​
AlladinOne [14]

Answer:

V_2=83.3mL

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the volume of the new solution by using the general formula of dilution:

V_1M_1=V_2M_2

In such a way, we solve for the final volume, V2, to obtain:

V_2=\frac{200mL*0.5M}{1.2M}\\\\V_2=83.3mL

Regards!

3 0
3 years ago
when acceleration is held constant and objects of different mass are observed,are mass and force directly proportional or invers
svetoff [14.1K]
Yes. When two things are directly prortional, that means that as one increases, the other increases at the same rate. So, say you have a 2kg object at an acceleration of 2m/s^2. The force would be 4N. If you have a 3kg object at an acceleration of 2m/s^2, the force would be 6N. If two things are inversely proportional, that means that as one thing increases the other decreases at the same rate. A good example of this is in a chemical reaction. If you increase the surface area of the reactants, the reaction time decreases. They are inversely proportional.
5 0
2 years ago
A brand of dish soap says that it will get your dishes cleaner. What is the
vodka [1.7K]

Answer:

B

Explanation:

Si no demuestra que funciona te estarían estafando

3 0
2 years ago
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