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Naya [18.7K]
3 years ago
15

Meanders are characteristics of a young river. True False

Chemistry
1 answer:
Rainbow [258]3 years ago
7 0
True would be the answer
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To what characteristics of the group 1 metallic elements can the ease with which their sons form +1 monatomic ions be attributed
ArbitrLikvidat [17]
Group 1 elements (usually called alkali metals) are not very electronegative and have small ionization energies due to that.  The reason why they are not very electronegative is that they really want to loose their one valence electron so that they can have a noble gas electron configuration (completed octet).

I hope this helps.
3 0
4 years ago
The green light emitted by a stoplight has a wavelength of 525 nm. What is the frequency of this photon? (c = 3.00 × 10⁸ m/s).
Reil [10]

The frequency of this photon is 5.94 x 10^{14} H_{Z}.

Solution:

The speed of light has a value of approximately <u>3.00×108 m/s</u>

The wavelength should have units of meters.

The frequency should have units of Hz or s−1. Hz is hertz or reciprocal seconds.

We know the value of the speed of light and we are given the wavelength. All we have to do is rearrange the equation to solve for the frequency:

<u>v = c/λ</u>

= 3.00×10^{8} m/s/505×10^{-9} m

= 5.94X10^{14}s-1

= <u>5.94X</u>10^{14}<u> Hz</u>

<u />

Frequency describes the number of waves passing through a particular location at a particular time. A class interval frequency is the number of observations that occur in a particular predefined interval. So, for example, if 20 of her ages 5-9 appear in the survey's data, the interval 5-9 has a frequency of 20. The class interval endpoints are the lowest and highest possible values ​​of the variable.

Learn more about The frequency here:- brainly.com/question/254161

#SPJ1

7 0
1 year ago
What is the effect of temperature on the solubility of :
m_a_m_a [10]

Answer:

A

Explanation:

3 0
3 years ago
Help me im in middle school btw
Darya [45]
This guy finna help u
6 0
3 years ago
Read 2 more answers
A sample of iron having a mass of 93.3g is heated to 65.58OC is placed in 75.0g ofwater raising the temperature from 16.95 OC to
11111nata11111 [884]
The heat gained or lost by a substance undergoing a change in temperature is:
Q = mCpΔT
The heat lost by the iron is equal to that gained by water. The Cp for water is 4.186 Joules/gram

75 x 4.186 x (22.24 - 16.95) = -93.3 x Cp x (22.24 - 65.58)
Cp = 0.411 J/g

The heat capacity of iron is 0.45 J/g

%Error = [(0.45 - 0.41) / 0.41] x 100
%Error = 9.76%
8 0
3 years ago
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