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Gelneren [198K]
3 years ago
14

What limiting factors are contributing to the decrease in honey bee population?

Chemistry
1 answer:
Thepotemich [5.8K]3 years ago
8 0
The number 1 contribution is Cars and House building making less territory
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How do you mesure 25.0 milliliters of water(volume)
andreyandreev [35.5K]

This measurement converter chart will help you figure out the liquid measurements called for.

0.5 ml = ⅛ teaspoon.

1 ml = ¼ teaspoon.

2 ml = ½ teaspoon.

5 ml = 1 teaspoon.

15 ml = 1 tablespoon.

25 ml = 2 tablespoons.

50 ml = 2 fluid ounces = ¼ cup.

75 ml = 3 fluid ounces = ⅓ cup.

6 0
3 years ago
What is the density of CHCL3 vapor at 1.00atm and 298K?
Advocard [28]

Answer:

4.8 g/mL is the density of chloroform vapor at 1.00 atm and 298 K.

Explanation:

By ideal gas equation:

PV=nRT

Number of moles (n)

can be written as: n=\frac{m}{M}

where, m = given mass

M = molar mass

PV=\frac{m}{M}RT\\\\PM=\frac{m}{V}RT

where,

\frac{m}{V}=d which is known as density of the gas

The relation becomes:

PM=dRT    .....(1)

We are given:

M = molar mass of chloroform= 119.5 g/mol

R = Gas constant = 0.0821\text{ L atm }mol^{-1}K^{-1}

T = temperature of the gas = 298K

P = pressure of the gas = 1.00 atm

Putting values in equation 1, we get:

1.00atm\times 119.5g/mol=d\times 0.0821\text{ L atm }mol^{-1}K^{-1}\times 298K\\\\d=4.88g/L

4.8 g/mL is the density of chloroform vapor at 1.00 atm and 298 K.

7 0
3 years ago
What is the total number of protons, neutrons, and
Ronch [10]

Answer:

read below ( sorry if this doesn't help :/ )

Explanation:

Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. The chemical symbol for Cadmium is Cd.

7 0
3 years ago
Read 2 more answers
The enzyme beta-galactosidase acts on lactose to form galactose. In turn, the presence of galactose leads to expression of the e
san4es73 [151]

Answer:

an inducer

Explanation:

An Enzyme is a protein molecule found in cells which work as biological catalysts.

They speed up chemical reactions in the body, but do not get used up in the process, and can be used over and over again.

In chemistry inducers are molecules that regulates gene expression, and can bind to protein repressors or activators.

Lactose here acts as an inducer because it inactivates the repressor of an operon.

4 0
3 years ago
When does hydrogen first begin to fuse into helium in the star formation process?
valentina_108 [34]

Step one of the Hydrogen fusion process helium  a nucleus of Deuterium is formed from two protons with the emission of an antielectron and a neutrino.

The fundamental Hydrogen fusion cycle includes 4 Hydrogen nuclei  and two electrons and yields a Helium nucleus, two neutrinos and six photons. The principle series phase is the stage in development where the center temperature reaches the point for the fusion to begin. in this manner, the protons of hydrogen are converted into atoms of helium.

If the star is big sufficient to fuse hydrogen atoms into helium, it's going to enter the phase that our solar is in, referred to as the primary sequence section. a celebrity will enjoy most of its existence in the major series section. At this point nuclear fusion is turning hydrogen into helium.

A star isn't always absolutely a star until it is able to fuse hydrogen into helium. before that, they are called Protostars. A protostar is fashioned as gravity begins to tug the gases together right into a ball. This process is referred to as accretion.

Learn more about hydrogen here:-brainly.com/question/19813237

#SPJ4

8 0
2 years ago
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