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Cloud [144]
3 years ago
13

After mitosiis how many chromosomes willl there be in the dogs new body cells

Chemistry
1 answer:
erastova [34]3 years ago
3 0
The number should be the same as the diploid (2n) number—that is, the number usually present in the rest of the body's cells.
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A chemist found that 4.69 g of sulfur combined with fluorine to produce 15.81 g of a gas. what is the empirical formula of the g
timofeeve [1]
Mass of sulfur combined - 4.69 g
Mass of gas produced is 15.81 g, therefore mass of fluorine is (15.81-4.69) = 11.12 g
Number of sulfur moles - 4.69 g/32 g/mol = 0.15 mol
Number of fluorine moles - 11.12 g/ 19 g/mol = 0.585 mol
divide both by least number of moles 
S - 0.15/0.15 = 1
F - 0.585/0.15 = 3.9 rounded off is 4
ratio of S to F = 1:4Therefore formula of the gas is SF₄
7 0
3 years ago
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La Nina tends to lead to drier, warmer weather in the southern united states, which causes drought in texas. Which of these is l
Pani-rosa [81]
C. Above Average rainfall
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2 years ago
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a substance did not change its chemical nature in a reaction. which most likely describes the reaction
Mkey [24]
This substance most likely is an inert. It is a substance that is not chemically reactive. It does not change its chemical nature in a reaction. It does not <span>easily react with other chemicals. Most of the group 8 gases in the periodic table are classified as inert, due to their having full outer electron shells. </span>
5 0
3 years ago
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2.5 piece of lithium is dropped into a 500 g sample of water at 22.1 C.ten temperature of the water increases to 23.5 C. How muc
Dominik [7]

Answer:

2.6 kJ  

Explanation:

The formula for the amount of heat (q) absorbed by the water is

q = mCΔT

1. Calculate ΔT

ΔT = 23.5 °C - 22.1 °C = 1.4 °C

2. Calculate q

q₂ = mCΔT = 500 g × 4.184 J·°C⁻¹g⁻¹ × 1.4 °C = 2900 J = 2.9 kJ

3 0
3 years ago
Which of the following describes a response to external stimuli?
Pavlova-9 [17]
The correct answer is A.

Hunger, chemical imbalance, and blood levels are all internal issues. Cat dander on the other hand is not something the body creates or and is something in the environment.  
Thus, your answer is A. 
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3 years ago
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