1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
shutvik [7]
3 years ago
9

What scientists do that is the basis for their investigations

Chemistry
1 answer:
galben [10]3 years ago
7 0
<span>The basis of any scientific investigation is a hypothesis and a research question. These guide your research and help you focus on an area that is narrow enough to study for meaningful results. The research question helps quantify how you are going to study the hypothesis.</span>
You might be interested in
Please help find Empirical formula! :)
mamaluj [8]

Answer:

The empirical formula of a compound is the simplest whole number ratio of each type of atom in a compound. It can be the same as the compound's molecular formula, but not always. An empirical formula can be calculated from information about the mass of each element in a compound or from the percentage composition

Explanatio internet bud

8 0
3 years ago
How many grams of Cl2 are consumed to produce 12.0 g of KCl?
Alla [95]

The reaction is:

Cl2 + 2 KBr --> 2 KCl + Br2

Moles of KCl is

n = m /M = 12 /74 = 0.16 mol

As, twice the moles of KCl is producing from 1 mol of chlorine

mole of Cl2 = 0.16 /2 = 0.08 mol

Mass of Cl2

m /70 = 0.08 = 5.6 g

Hence, 5.6 g mol Cl2 consumed to produce KCl

7 0
4 years ago
Body temperature is controlled by a negative feedback control system. the hypothalamus is the ________ for this system.
postnew [5]

Body temperature is controlled by a negative feedback control system.

What is negative feedback?

In biological systems, a type of control known as negative feedback occurs when a process's output lowers its own stimulus. A common regulation mechanism in many biological responses is feedback. The body may regulate numerous aspects of its internal environment by permitting particular routes to be switched on and off. This is like turning a switch. Feedback enables a pathway's output to operate a switch. Negative feedback, often known as a "negative feedback loop," happens when a pathway's end product disables the corresponding metabolic step.

In order to maintain body temperature, the hypothalamus reacts to this information by directing nerve impulses to effectors. For instance, the hair erector muscles tighten up if we get too cold. As a result, a layer of air is trapped near to the skin, raising the skin hairs. Systematic negative feedback regulates body temperature.

<u>Thus the </u><u>hypothalamus</u><u> is the vital organ for this system.</u>

To learn more about negative feedback from the given link below,

brainly.com/question/11525272

#SPJ4

6 0
2 years ago
What is the value of δg°' (or, to put it another way, the cost) when 2nadp+ and 2h2o are converted to 2nadph plus 2h+ plus o2?
svp [43]
The answer is 104.9, i dont know how though
4 0
4 years ago
Read 2 more answers
I NEED HELP ASAP! :)
cluponka [151]

Answer:

When adding the measurements 42.1014g + 190.5g, the answer has<u> </u><u>seven </u>significant figures.

When dividing the measurements 400g/32.2 cm^3, the answer has <u>ten</u> significant figures.

Explanation:

7 0
3 years ago
Other questions:
  • Potassium cyanide is a toxic substance, and the median lethal dose depends on the mass of the person or animal that ingests it.
    10·1 answer
  • When two H atoms are brought together from large distances they can make H2. As the bond begins to form, the force between the a
    12·1 answer
  • 55 cm3 of gasoline are mixed with 60 cm3 of water. what is the average density of the mixture?
    11·1 answer
  • The intrinsic solubility of sulfathiazole, an old antimicrobial, is 0.002 mol/l. it is a weak acid and its pka is 7.12. what is
    14·1 answer
  • Determine whether the statement is true or false, and why. "If a theory becomes supported by evidence, it can become a law."
    15·1 answer
  • What is ""green chemistry""? Describe how the distillation procedure used in this lab is a more ""green"" approach than liquid-l
    7·1 answer
  • A tank of methane gas contains 2.8 m³ of the gas at 20°C. The tank has a pressure-release valve that releases gas into a seconda
    13·1 answer
  • Help please help please help do
    14·1 answer
  • Two wagons are pulled with equal force. Wagon A is empty . Wagon B is carrying enough bricks to double the mass of the wagon. ho
    9·1 answer
  • 7) A gas takes up a volume of 15 liters, has a pressure of 1500 mmHg, and a temperature of 299 K. If I raise the temperature to
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!