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3 years ago

5. At what phase of mitosis does the number of chromosomes double?

1 answer:

5 0

This doesn't happen in mitosis. Mitosis is preceded by interphase. Interphase has three phases: G1, S and G2. What you call chromosome doubling happens in S phase.

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2c+02=2CO2. The moles of co2 produced when 0.25 moles of O2 react is?

Sophie [7]

<h3>Answer:</h3>

$\displaystyle 0.5 \ mol \ CO_2$

<h3>General Formulas and Concepts:</h3>

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Chemistry

Atomic Structure

Moles
Compounds

Stoichiometry

Using Dimensional Analysis
Analyzing Reactions RxN

<h3>Explanation:</h3>

Step 1: Define

[RxN - Balanced] 2C + O₂ → 2CO₂

[Given] 0.25 moles O₂

[Solve] moles CO₂

Step 2: Identify Conversions

[RxN] 1 mol O₂ → 2 mol CO₂

Step 3: Stoichiometry

[DA] Set up: $\displaystyle 0.25 \ moles \ O_2(\frac{2 \ mol \ CO_2}{1 \ mol \ O_2})$
[DA] Multiply/Divide [Cancel out units]: $\displaystyle 0.5 \ mol \ CO_2$

7 0

2 years ago

Hellllpppp What is propane's condensed structural formula?

mrs_skeptik [129]

Answer,

Propane's condensed structural formula is CH3 CH2 CH3.

Hope This Helps :-)

7 0

3 years ago

A hydrogen electron jumps from energy level n = 2 to n = 4 after energy absorption. What will the spectral lines emitted by this

ololo11 [35]

A. a dark line spectrum

3 0

3 years ago

Read 2 more answers

If a beaker of water and a beaker of acetic acid are at the same elevated temperature, which will cool more quickly to room temp

WINSTONCH [101]

Beaker of water i guess because usually at home when i get out cold water i put in my room and it cools fast for me so..... i think

3 0

3 years ago

How much carbon will turn into carbon 14 every year? Science Please help asap

saw5 [17]

Answer:

There are three naturally occurring isotopes of carbon on Earth: carbon-12, which makes up 99% of all carbon on Earth; carbon-13, which makes up 1%; and carbon-14, which occurs in trace amounts, making up about 1 or 1.5 atoms per 1012 atoms of carbon in the atmosphere.

Names: carbon-14, C-14, radiocarbon

Isotope mass: 14.003241 u

Half-life: 5,730 ± 40 years

Symbol: 14C

Explanation:

Pls give me brainliest

( ^ . ^ )

5 0

3 years ago