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Harman [31]
2 years ago
14

Read the sentences from the Newsela article, "First All-Female Spacewalk Will Take Place During Women's History Month. "

Chemistry
1 answer:
belka [17]2 years ago
4 0

Answer:

C ; strayed

Explanation:

I took the k-12 quiz.

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Temka [501]
Salt dissolving in water is usually considered to be a physical change so I’m pretty sure it’s that sorry if I’m wrong
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3 years ago
Oran fills in the table below to organize information about the gas laws.
podryga [215]

Answer:2,4&5 A.

Explanation:

6 0
4 years ago
Hclo is a weak acid (ka=4.0x10^-8) and so the salt naclo acts as a weak base. what is the ph of a solution that is 0.037 m in na
ankoles [38]

<u>Given:</u>

Concentration of NaClO = 0.037 M

ka (HClO) = 4.0*10⁻⁸

<u>To determine:</u>

The pH of the NaClO solution

<u>Explanation:</u>

The hydrolysis of the weak base can be represented by the ICE table shown below-

                ClO-      +     H2O    ↔    HClO    +       OH-

Initial        0.037M                              0                    0

Change         -x                                 +x                  +x

Equilibrium  (0.037-x)                        x                     x

kb  = kw/ka =  [HClO][OH-]/[ClO-]

10⁻¹⁴/4*10⁻⁸ = x²/(0.037-x)

x = [OH-] = 9.62*10⁻⁵

p[OH-] = -log[OH-] = -log [9.62*10⁻⁵] = 4.02

pH = 14-p[OH-] = 14 - 4.02 = 9.98

Ans: pH of the solution is 9.98


7 0
3 years ago
50 PTS!!!! No links pls!<br> What is a title name for Aerobic cellular respiration?
Sedbober [7]

Answer:

Like another name?

Aerobic cellular respiration is also called aerobic metabolism, cell respiration, and oxidative metabolism.

Explanation:

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3 years ago
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What’s an easy way to learn to convert metric numbers? Help plz
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Explanation:

HOPE IT HELPS

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3 years ago
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