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vlada-n [284]
3 years ago
14

3. In the chemical reaction CH,+ 20, - CO,+ 2H,0, there are reactants on the left of the equation

Chemistry
1 answer:
garik1379 [7]3 years ago
8 0

Answer:

b

Explanation:

your information is invalid and was unable to solve it due to some absence of the needful informations

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What is the pH of an acid with a [H+] of 1.0 x 10&amp;-4 M?<br><br> 1. 4<br> 2. 10<br> 3. 1<br> 4. 7
True [87]
PH scale is from 1 to 14 and indicates how acidic or basic a solution is. To find pH or pOH we need to know the H⁺ ion concentration or OH⁻ concentration.
pH can be calculated using the following equation;
pH = -log[H⁺]
the H⁺ concentration of the given acid is 1.0 x 10⁻⁴ M. substituting this we can find the pH 
pH = -log[1x10⁻⁴]
pH = 4
answer is 1) 4
3 0
3 years ago
Write the isotope notation for an element with 42 protons and 96 neutrons.
tankabanditka [31]

Answer:138

Explanation:

4 0
3 years ago
Read 2 more answers
A longitudinal wave passing through a medium causes areas of:
torisob [31]

Answer:

The answer is B. Compressions and rarefactions.

Explanation:

  • <u><em>Longitudinal sound waves are waves of alternating pressure deviations from the equilibrium pressure, causing local regions of compression and rarefaction.</em></u>
4 0
2 years ago
Animals inherit traits from their parents. They pass some of these same traits on to their children. Suppose a pair of animals h
Fantom [35]

Answer:

A. The children will be more likely to survive than if they did not have the trait.

Explanation:

Process of elimination

B. It will not affect the children.

Cannot be true, if it didn't impact the children then how would survival of the fittest work?

D. The children will be able to adapt if the environment changes.

That just... not how adapting works when it comes to evolution.

C. The children will be more likely to survive than their parents were

Everyone has the same trait, everyone is equal in that regard.

A. The children will be more likely to survive than if they did not have the trait.

"Suppose a pair of animals has a trait that helps them survive in their environment." The trait helps them survive. Not having the trait makes them less likely to survive. A is correct

8 0
2 years ago
Calculate the weight of keame if he has potential energy of 67J and standing at a hieght of 10m.(take g100m/s)​
DanielleElmas [232]

Answer:

height(h)=10 m

acceleration due to gravity (g)=10 m/s^2

mass (m)=?

potential energy=67

or,mgh= 67

or,m×10×10=67

or,m=67/100

or,m=0.67 kg

Therefore,m= 670 grams

7 0
3 years ago
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